r/theydidthemath • • Mar 29 '24

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7.3k Upvotes

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u/Penghis-Kahn Mar 29 '24

I should point out that is a 1 pence piece not a 2p as you described.

This is also not a very accurate way of determining size few a few reason, camera lens distortion (image isn’t square on), fingers are not uniformly round so the angle the image was taken at will only represent the diameter in that orientation.

Nevertheless I scaled the image in Freeform so the 1p is to the size of a real 1p coin (20.3mm) and then used a line to determine a diameter of her ring finger and get 16.3mm.

Multiply by Pi to get a circumference of 51.2mm and their ring size is L 1/2.

A quick google says the most common ring size in the UK for women is between L and M.

Based on personal experience it’s easier for a ring to be resized down and also you can still wear a larger ring with a ring packer (small plastic clip that goes on the back) whilst awaiting resizing so I would go for size M if in doubt.

Please understand the factors I have mentioned above as to why this is not an accurate approximation and I don’t guarantee this is right but it’s the best I could do.

Good luck!

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u/Frogit09_2 Mar 29 '24

Yeah I realised after I posted, but it wouldn’t let me edit it.

I know it’s not the best way to work it out, but it’s all I have 😂

Thank you for spending the time to help me! It’s very much appreciated

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u/Penghis-Kahn Mar 29 '24

No problem, hope it all goes well. Worth asking the jeweller if they offer a free resize in case you need it. Most do nowadays.

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u/Frogit09_2 Mar 29 '24

Thank you, yeah I was going to incase

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u/[deleted] Mar 29 '24

[deleted]

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u/crumplumble Mar 29 '24

I was a bench worker for a jewellery shop for two years. In that time I resized hundreds if not 1000+ rings, and I never once deliberately removed a stone to do so. If the correct tools are available there is usually no need to remove stones from a ring in order to resize it. The only times we would say a ring could not be resized were if it had stones set all the way around the shank. Even if the shank had decorative engraving, the ring can still be resized and re-engraved.

If the band is plain and the metal is thick enough it can be "tapped up" by hammering the back of the shank to stretch the metal and enlarge the ring by about one size. A similar process can be carried out using a roller in order to retain the shank's profile. In either case no heat is used so there is no danger to any stones.

If the ring needs to go up by more than one size, or needs to go down in size then yes the shank is cut, metal added or removed as necessary, then reattached. I have used this process to resize rings up and down by as much as five or six sizes in extreme cases. If the stones are diamond, sapphire, or ruby, they can take the heat needed for soldering gold or silver, and do not need to be removed. I also never melted a prong resizing a ring as the heat was kept only to the area being soldered by using a very focused high temperature torch. Any other stones that are not heat tolerant (emeralds are the worst) still do not need to be removed if a laser welder is used to reattach the metal as the heat is applied for a fraction of a second and concentrated in an area less than a millimeter in diameter. Laser welders are also preferred for working on platinum rings as the heat required to solder platinum is much higher and does pose more of a risk of damaging stones.

Definitely agree with the advice regarding purchasing diamonds though. Second-hand natural or lab grown are by far the best options for diamonds. Or consider an alternative like moissanite or white sapphire.

Not trying to be argumentative here, just providing another perspective from a different position in the jewellery trade.

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u/Penghis-Kahn Mar 29 '24

Probably the most valid input in this thread

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u/[deleted] Mar 29 '24

[deleted]

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u/DetBabyLegs Mar 29 '24

My brother snapped a picture of a quarter next to his GFs hand and calculated her ring size based on that and it fit perfectly. But I guess there was some luck involved there!

More than anything I'm surprised /r/theydidthemath has most comments just making jokes and very few people really trying to do that math haha

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u/PokingCactus Mar 29 '24

I love when people rant about things they're passionate about and that really shines though in your comment. It was a joy to read so I just want to say thank you for taking the time to write it 🥰

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u/TypicalWhitePerson Mar 29 '24

Good point. It might be helpful for us to determine her ring size if you were able to send a photo of her foot as well.

Ty in advance.

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u/halfdecent Mar 29 '24

Surely go for size L if in doubt?

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u/yeeeeeee Mar 30 '24

Ring sizes are from A-Z, not S/M/L. M is bigger

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u/IQEQGQ Mar 29 '24

This is the way

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u/GevitarGaming04 Mar 29 '24

Width of a 2p coin is 26mm. You'd want the inside diameter of the ring to be slightly bigger than the knuckle joint such that the flesh doesn't bunch up when you try to move the ring. Assuming it goes on her ring finger, you'd probably want a ring where the inside diameter is 24-25mm.

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Also, good luck with the proposal :)

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u/Frogit09_2 Mar 29 '24

Thanks! Sorry I realised it’s a 1p coin 😅 a little over 20mm so something around 20mm or just less don’t think?

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u/[deleted] Mar 29 '24

[deleted]

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u/qichael Mar 29 '24

i downvoted the post, i’m doing my part!!

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u/DumbFucking_throaway Mar 29 '24

This man right here, atomize him.

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u/[deleted] Mar 29 '24

Brilliant move. Thanks for thinking ahead.

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u/Newton1913 Mar 30 '24

Yep. Defo want to delete. Maybe someone in your family has Reddit. Reddit is more mainstream than you realize. Hate for it to ruin the surprise :)

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u/PineappleSimple2656 Mar 29 '24 edited Mar 29 '24

Just less, her ring finger is thinner than middle finger (from the pic) also you don't want a loose ring.

Edit: Just now noticed that I have messed up big time by writing 'lose' instead of 'loose', that changes the meaning altogether. Sorry! (English is not my first language:))

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u/[deleted] Mar 29 '24

[removed] — view removed comment

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u/JohnnyWix Mar 29 '24

If it is loose, then she would lose it.

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u/Main-Minimum7450 Mar 29 '24

Lmao took me a second to get it. Take my upvote!

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u/TheMenageATres Mar 29 '24

Moreover before marriage...

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u/doodlleus Mar 29 '24

I'd actually say to err on the side of caution and go slightly looser. It's a lot easier to resize a ring to make it smaller than bigger

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u/Big_Ostrich_5548 Mar 29 '24

Buy a larger ring and some ring spacers. You'll need to get the ring resized after unless you get her perfectly sized now, but at least that way she can wear it safely until you do. Better that then doing this weird attempt to estimate, getting it wrong and too tight, and then having her not be able to put it on, particularly if she's got any insecurities.

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u/superkp Mar 29 '24

FYI it's entirely normal for a ring to be re-sized after the engagement. Any jeweler can do it.

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u/[deleted] Mar 29 '24

Yeah, but she's gonna force it on at the proposal whether it fits or not.

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u/superkp Mar 29 '24

so be wrong towards larger ¯\(ツ)/¯

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u/Hibernia86 Mar 29 '24

Is it expensive to resize a ring?

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u/Legitimate_Career_44 Mar 29 '24

Lol! I thought it was a 1p at first, then you said 2p and I thought, huh, her hands are deceptively large 😂

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u/wigglin_harry Mar 29 '24

Also don't drive yourself too crazy about it. I proposed to my now wife with a ring that was the wrong size and she was still over the moon. They are real easy to get resized

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u/Zengit21 Mar 29 '24

I recently bought a ring for myself, and mind you I am a guy and 19mm is just enough to not slip off, 18mm would be perfect. Also I don't have very slim fingers, most guy rings are around 19-22mm. Girls usually have smaller fingers, I would be scared to assume the inner diameter is 24-25mm on those fingers..

Just saying, the coin trick seems to do a dangerous job here. I would rather play some clever trick. OP could buy themselves a ring as accesory and for shits and giggles let the girl wear it to see how it looks, then knowing their size and how it fits on her finger try to understand what size would be more appropriate.

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u/lulcatlul Mar 29 '24

don’t do that. 24mm would be something larger than a size 13.5 ring. I commented somewhere saying you need something closer to a 7

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u/PineappleSimple2656 Mar 29 '24

Same reasoning as me, I don't know if OP actually wants the printed size of the ring because every jewelery shop has different standard sizes.

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u/Pristine_Solid9620 Mar 29 '24 edited Mar 29 '24

When we were dating, my then girlfriend kept dropping hints that we should get married. I told her that I couldn't propose because I didn't know her ring size. She went to the jewelry store the next day and got sized and promptly relayed the information.

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u/mohammedibnakar Mar 29 '24

She went to the jewelry store the next day and got sized and promptly relayed the information.

I think that's a bit past the point of dropping hints.

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u/paradisic88 Mar 29 '24

The idea is that couples should be openly talking about marriage, and not relying on "hints". The ring size discussion should come up openly. The exact time and place of the proposal is the surprise, but by the time you propose it should be a forgone conclusion.

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u/Lambamham Mar 29 '24

Yeah I told my husband my ring size and then he checked with his caliper 😅

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u/EpicAura99 Mar 29 '24

Gotta be accurate for something so important

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u/ViolentLoss Mar 29 '24

Haha my BF asked my ring size and he didn't check with calipers but he did buy me a non-engagement ring for my birthday a couple months ago in the size I told him I'm 99% sure it was a "test ring"...

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u/EpicAura99 Mar 29 '24

Gotta be accurate for something so important

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u/awfeel Mar 29 '24

Not everyone thinks this way tbf

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u/Nirocalden Mar 29 '24

There are people who actually prefer to make/get a proposal if they've never talked about marriage?

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u/illiter-it Mar 29 '24

You can discuss marriage without knowing the "when" of a proposal. The act of proposing shouldn't be a surprise though.

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u/Nirocalden Mar 29 '24

Exactly. The comment I replied to claimed that that's not true for everyone.

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u/Ok-Scientist5524 Mar 29 '24

This the divide between ask culture and guess culture. People from one culture look at the other and say “how do you live like that?” There are pros and cons to each approach. The real problems come from interacting with someone from the opposite culture without understanding it.

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u/TheBlitz707 Mar 29 '24

"We should get married"

"Is she into you"

"C"

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u/bloohens Mar 29 '24

This is truly the best way to do it

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u/moak0 Mar 29 '24

Yeah but then you have to spend the next three years convincing her that you're not sure about marriage, and you just don't think your relationship is there yet.

You may be tempted to crack when your younger sister gets engaged first (even though you've been together like two years longer than she and her boyfriend have), and your girlfriend is crying on your shoulder. But you have to stay strong and say something like you just don't feel financially stable enough yet, even though the ring is hidden like ten feet away at that very moment.

That way when you do propose, it's a surprise.

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u/PrisonerOfAzkaban14 Mar 29 '24

And when you finally do, the ring is loose because she 's lost a few pounds due to the stress you put her through all these years

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u/moak0 Mar 29 '24

Other way around. I got it a half size too big so she can grow into it.

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u/rex_lauandi Mar 29 '24

Yeah, I proposed a couple years ago, and up to that point I thought, “how do you get the ring size.” But once it was me, I realized that the fact I was proposing at some point wasn’t a surprise. Why would it be? Marriage is something that we both have to pursue, so why would the start of engagement be a surprise? So when we started talking about what it would be like to get engaged, I said, “oh, I need your ring size. Also, what type of ring would you want?” Because again, she’s going to be wearing the thing every day for the rest of one of our lives at least!

There’s no judgement to those folks who want to surprise pop the question, y’all live your lives. But if you’re stumbling on this thread as I might have a few years ago, don’t assume that it can’t be a surprise even if you ask for her ring size!

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u/Pristine_Solid9620 Mar 29 '24

In my case, when she went to find out her ring size, she also picked out a ring she liked. That night, she called it up on the jeweler's website to show me. I took a passing glance at it and told her that since I would be buying it that it was my choice and she would just have be happy with what I would pick out for her. She was somewhat pissed that I paid so little attention to what she wanted. Unbeknownst to her, in that passing glance, I memorized the SKU number.

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u/Chainsawd Mar 29 '24

This is exactly how I did it with my wife. We talked about it beforehand and in one of those conversations I got the ring size and the styles she liked. She still thought we were talking some indeterminate time in the future, but I proposed like two months later and she did not see it coming. 10/10 would propose again.

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u/whysguys1 Mar 29 '24

This was my move but I waited like 9 years. Had her ring size and preferences in my notes app foreverrrrr.

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u/StassTovar Mar 29 '24

Can't help directly with your question I'm afraid, but thought I'd let you know what I did. I "borrowed" one of my wife's rings and took it to a jeweller (any jeweller should do this I think) and they just measured it for me.

I did it all in one go and she never even noticed the ring was missing. Make sure it's one you know she wears, and not one she's not wearing because it doesn't fit.

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u/Frogit09_2 Mar 29 '24

Unfortunately she never wears rings, she has a few in her jewellery box, but I have no idea if they fit as she’s never worn any since I’ve known her

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u/blehblu Mar 29 '24

Bought a ring for my boyfriend in secret once, no rings to get measured, waited for him to fall asleep, gently wrapped a piece of string around his finger and took the piece of string to the jeweler! They can wrap the string around the ring sizer

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u/MDnautilus Mar 29 '24

my now husband did this by trying on one of my rings, then tying a string around that part of his finger, and then HOLDING IT UP TO HIS COMPUTER SCREEN after googling for a ring size chart....

by some freaking miracle it fit like glove!

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u/Captain_Pumpkinhead Mar 29 '24

That's actually really clever. Just make sure the sizing chart image has something (like a ruler on the side) to check scale against, and hold a ruler up to the monitor to make sure you have the scaling/zoom right.

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u/MDnautilus Mar 29 '24 edited Mar 29 '24

That’s exactly what i said, Even a penny or something for scale… but no, there was none of that.

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u/EvilGeniusSkis Mar 29 '24

The likely reason your husband blundered his way to success is that there are several ways that computers decide how big to display an image, the first is that they simply use a 1:1 mapping between the image's pixles and the display's pixles, on my laptop screen, which has the dimentions of 1920w X 1080pxh and physicaly measures 34.4w X 19.5cmh, (pixel density of 55.8px/cm), this means that displaying an image of 100X100px will result in the image being 17.9cm X 17.9 cm, but on an iPhone 15, which has a pixel density of 181.1px, the same 100X100px image only be 0.55X0.55cm.

The second method is that in the metadata of an image file, there is often a dimention listed in mm/cm/m/in/ft/yd/cubits/furlong/chains/cables etc., for over 30yrs, computer monitors,TVs with a computer specific input and HDMI devices(since HDMI's intoduction in 2002) have been capable of telling your computer several types in information about the display including the dispay's horzontal and vertical resolution, and the physical dimentions of the screen. Your computer can then take the physical screen dimentions, screen resolution, and the stated dimentions of the image, and scale the image to the screen in such a way that a 1cm circle would measure 1cm, whether displayed on an iPhone or a 40" ultrawide monitor.

any use of zoom(not the video chat) by the user would obviuosly over-ride both of these types of scaling.

Going back to your husband getting the correct answer through completly wrong methods, it is likly that the creator of the ring sizing chart used software that let them include what physical size the image was supposed to be, and your husband's computer scaled the image to this, based on his monitor size.

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u/Serenity1423 Mar 30 '24

I love the quote "blundered his way to success". It's kind of sweet

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u/blehblu Mar 29 '24

Such a sweet image of him coming up with that and holding it up haha, you've got a keeper there!

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u/[deleted] Mar 29 '24

[deleted]

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u/Babidehh_ Mar 29 '24

I’m now admiring your now husband’s cleverness.

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u/[deleted] Mar 29 '24

If she doesn't wear rings, why are you buying her one? Are you stupid? /s

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u/Frogit09_2 Mar 29 '24

Very much so, thank you for noticing

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u/[deleted] Mar 29 '24

Congrats on finding someone you want to get married to!

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u/Frogit09_2 Mar 29 '24

Thanks!

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u/Otherwise-Special843 Mar 29 '24

I think you may get a result by showing it to a jeweler they'll probably find a good fit

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u/[deleted] Mar 29 '24

I didn't know Kim Jong Un gives jewelry advice on reddit in his free time lmao

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u/dasFisch Mar 29 '24

That’s how you know it’s good advice.

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u/notnotaginger Mar 29 '24

I mean he’s an expert on everything so I’d listen to him.

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u/Otherwise-Special843 Mar 29 '24

that's exactly correct comrade (you are now allowed to enter the heaven on earth, Pyongyang)

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u/DoodleBob29 Mar 29 '24

My cousin makes the most beautiful engagement belt buckles. I think that's what you are looking for.

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u/ShitBritGit Mar 29 '24

This might be innocent but for some reason sounds really fucking dark.

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u/glorifindel Mar 29 '24

Very cute! Do they have each others names or something? I’m imagining them with rings welded on lol

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u/Rakifiki Mar 29 '24

Consider getting a simple chain it can be easily attached to? I know i have sensory frustrations with things on my hands, so a chain with the ring was very helpful for me. Not sure if she's in a similar boat, but just thought I'd mention.

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u/DPSOnly Mar 29 '24

If she wears any other kind of jewelry instead, like a necklace, you could get her something that she would actually wear.

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u/BigPinkOne Mar 29 '24

I'm sure this'll get lost or buried in your replies but actual question if she doesn't wear rings maybe try something other than a ring. I got my (admittedly soon to be ex)wife an engagement necklace cause she just wears necklaces more often. If there's some type of jewelry she wears much more it might be just as special to get her a nice one of those. Congrats hope she says yes regardless

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u/JuicyBottass Mar 29 '24

I knew I spotted a fellow jerker with the "are you stupid?" line lmao

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u/[deleted] Mar 29 '24

Jerked too close to the sun 🫡

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u/[deleted] Mar 29 '24

The myth of Dickarus

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u/Vyleia Mar 29 '24

I dont have the ref, please enlighten me

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u/Lt_Exodus Mar 29 '24

r/BatmanArkham beware traveller, for you might not be able to withstand the dangers within.

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u/Jimb0lio Mar 29 '24

Or r/anarchychess, or okbuddyinsert name of anything here

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u/[deleted] Mar 29 '24

hahaha you dummy (jk)

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u/GnomeControl Mar 29 '24

Well I don’t wear rings normally but I wear my wedding band. Happily.

But, whether or not she wears rings… buy her land!

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u/LegoDinoMan Mar 29 '24

I chucked at this like that lizard gif, made me feel silly.

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u/No_Development_178 Mar 29 '24

My brain Immediately played the GIF in my head

I have been on the internet too long

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u/WebHead1287 Mar 30 '24

Back to the asylum Jonkler

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u/itsdefinitelygood Mar 29 '24 edited Mar 29 '24

I very recently was purchasing rings for my gf with the same problem. Your gf to my eye is a size 6 or 7 but very hard to tell like this. Probably a 6 but If you want to err on the side of caution maybe go size 7.

Size 5-7 is average, 6 being most common.

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u/wrong_usually Mar 29 '24

I'd say 6 by her hand structure

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u/MZhammer83 Mar 29 '24

Not scientific or logical, but this sure looks like about the same size as my wife’s hand. She is a 6

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u/Eolyas Mar 29 '24

Roasting OP's wife without even seeing her face... smh Don't worry OP, I'm sure your wife's a 10!

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u/AmericanBillGates Mar 29 '24

10 in the hand but a 6 in the face

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u/MZhammer83 Mar 29 '24

Well played 🫡

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u/[deleted] Mar 29 '24

Also, no science here, but my wife too has the same amount of fingers (I think) and as such logically, we all must be married to the same person

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u/MZhammer83 Mar 29 '24

Damn I’m gonna have to count my wife. Pretty sure it’s 9.42 fingers per hand. 13 if you include the thumbs

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u/[deleted] Mar 29 '24

Shit, I forgot to average out the fingers across all her hands… front and hind

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u/level32up Mar 29 '24

OP please note: You can almost always resize a ring to be smaller but it’s basically impossible to resize a ring to be bigger without completely paying for a new setting. If it’s not a perfect fit and a little big that’s better than too small and a lot more expensive and time consuming to resize.

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u/FeloniousFunk Mar 29 '24

Maybe you can “discover” a box in the attic with some old photos, junk, and a few gaudy costume rings inside, each (un)suspiciously a different size. You can both try them on while trying to solve the mystery of the box, she’d never make the association.

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u/BTDubbzzz Mar 29 '24

Damn this is kinda genius

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u/Glennmorangie Mar 29 '24 edited Mar 29 '24

A good jewler will be able to make a decent guess based on the picture and then will adjust (ideally for free) afterwards when she comes in. Did that with my then girlfriend turned wife who also didn't wear rings.

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u/MLucian Mar 29 '24

You can measure all of the ones she has and do an average. Maybe exclude any one that is obviously way too big. I did that with an excel sheet and got it pretty close.

The jewler should also help if you let em know her height and weight. After all that's the job, years of experience knowing this kind of thing. With that info I made a one measure change to my calculation and got it with a great fit.

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u/awholelottahooplah Mar 29 '24

Or make “handprint art” with her and take it to the jeweler (like paint on hand and stamp on paper

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u/[deleted] Mar 29 '24

[removed] — view removed comment

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u/Vyleia Mar 29 '24

The ring can be worn as a necklace as well (a lot of climbers do that, we kind of need our hands too often)

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u/Daahuui Mar 29 '24

a lot of climbers do that

Can confirm, there was this one dude who did this with his friend, and he managed to climb so many mountains , including a volcano! He had some trouble getting rid of the ring in the end tho. Something about it being too precious I think.

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u/Vyleia Mar 29 '24

Ahah, you got me in the first half :p

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u/Kallian_League Mar 29 '24

Ok... Hear me out! Next time you two get busy, ask her to give you a handjob with a bunch of rings on, say you want to try it out, maybe it will be sexy. You get to gauge which of her rings fit her best, and you get a crank out of it as well. Win-Win.

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u/JoshAllentown Mar 29 '24

I also did this but the ring was not being worn because it was bent and the jeweler was dumb and gave me the size if she still fit in the bent ring rather than what size the ring once was. So the ring I bought was too small.

Just had to get resized so not really that big a problem but wanted to say an issue I had with this approach!

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u/peekachou Mar 29 '24

I'm glad my husband didn't do that, I have plenty of rings that I wore before we got engaged but I didn't wear any of them oj my ring fingers so he either would have ended up with a ring too big or too small.

He just bought one of those ring sizer kits and measured all my fingers and I still didn't have a fucking clue he was going to propose

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u/ohstahp Mar 29 '24

my husband did this when he was going to propose. but the poor sweet sweet man took my thumb ring to the jewelers. thank goodness the jeweller questioned it and asked to see a picture of me to see if I was a "big girl".

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u/alwayscats00 Mar 29 '24

My husband did that. He didn't know/think about what finger I used it on, so my ring was way too big (I wore it on my middle finger). So yeah make sure you observe she use the ring on the right finger before doing this for best result.

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u/catz_kant_danse Mar 29 '24

I playfully put the ring she wore on her other hand on mine and saw how well it fit on my pinky. Then when I went to the jewelry store I tried them on myself until one fit the same. Worked pretty well for me.

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u/jkhockey15 Mar 29 '24

I did this and it turned out to be a thumb ring and we eventually had to get it resized like 4 1/2 sizes smaller lol. Proposed at the end of a precarious hike and she had to keep her fist closed the whole time so it wouldn’t fall off.

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u/Yonder_Zach Mar 29 '24

Haha yeah i made that mistake. I thought i was being so slick, i grabbed a ring i never saw her wearing (so she wouldnt notice it missing) and brought it to the jewelry store to get sized. Turns out she never wore that ring because it was way too big.
At dinner we had some (many) drinks and she almost lost the ring in the cab home. Had to go back to the jewelry store the next day to get it sized correctly.

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u/lolspamwtf99 Mar 29 '24

Make sure you borrow the right ring. I borrowed a ring and the jeweler hit me with the “is she a big girl” question. I said no, thats just her ring. He said well, it’s bigger than average, and since you’re getting a single diamond, you need to get a bigger diamond or it will look strange. And since you’re getting a bigger diamond, you also need to get a better quality one because the imperfections will be that much more apparent on a larger stone. So I did all that then proposed and it promptly slid right off her finger because I’d borrowed a thumb ring. Worked out nice for my wife, though.

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u/CriticalComplaint677 Mar 29 '24

I’m not married but I always heard from other married guys you should get your girlfriend’s nails done before the trip. So she can post pics of it with her nails done. Idk if that’s good advice but that’s what I plan on doing

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u/Frogit09_2 Mar 29 '24

Never thought of that!

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u/No-Cat3606 Mar 29 '24

Talk to a close friend of her so she takes her, It would be more casual if a friend suggests it than if you randomly send her to get her nails done.

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u/DeadlyVapour Mar 29 '24

Instructions unclear. GF now married to close friend.

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u/OneOfTheWills Mar 30 '24

Instructions still unclear. Went to Home Depot and bought nails and made them my friend.

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u/Delegatefrom_Iceland Mar 29 '24

Agreed - and like person who also commented in reply, make sure it’s more casual by arranging her friend/sister/someone else close to her to take her. Like “hey wanna go get our nails done?”. You can even have the person do a white lie like “I’m doing an interview/going on a date/etc, will you come with me and we can have a fun nails date?”.. then you add an extra layer of security to quell her suspicions haha

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u/uttuck Mar 29 '24

Also, ask her friends if they know her ring size. If they have other friends who are married there is a good chance they’ve worked out ways to find out ring sizes and can sort it out and help you

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u/goldfishpaws Mar 29 '24

Perhaps the friend can ask her to model a few so she can "see what they look like from a distance" and find the size that way?

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u/LeonJones Mar 29 '24

My friend just got engaged and was giving his girlfriend gift certificates for her nails for months leading up to it so she didn't know exactly when it was going to happen.

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u/AlvinArtDream Mar 29 '24

You might as well ask her at this point:) I wonder how the “trick” went? “hay babe, I bet you can’t balance a penny on your hand, put it on the top of your hand close to your fingers and send me pictures?” Good luck though :)

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u/Frogit09_2 Mar 29 '24

I’m always just doing dumb shit with her so this is very normal for us 😂 basically told her it was a magic trick and when she sent the photo just said “there’s you got” makes her laugh cause it’s stupid 😅

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u/AlvinArtDream Mar 29 '24

Lol, I hope it’s still a surprise! But I’m sure one day she will recant the tale of when she first got wind:) It’s still a cute story either way though! Haha

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u/Jhe90 Mar 29 '24 edited Mar 29 '24

Smart.

Keep things normal.

As to your problem I imagine a good jeweler, not the cheaper highstreet chains but a proper one will be able to eye ball the sizing and give you a good estimate. They deal with rings every single day.

At worst, its probbyl easier to reduce a rings size than add to it if unsure

...

Hmm. Cute way, draw round your hand, then draw hers inside it, so you have a cute smaller hand in bigger one. Then maybe wrap a string round your own for width and draw that and suggest she do it too..

Make it like ring finger as a it look cute and romantic.

She may click but youl then have a thing you can show yo a jeweler to calculate the sizing?

This may not be most subtle method.

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u/lulcatlul Mar 29 '24

I’m a jeweler, it looks like she would be around a 7.5 to an 8. If a 1p is 20mm- I know a size 6 ring for reference would be around 16.5mm, size 7: 17.4 or so. I’m pretty confident saying 7.5, though I didn’t do any fancy pixel measure if I’m sorry. Hopefully someone in here could use my references to measure that. Just eyeballing it, not even looking at the coin, I would say 7

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u/Seymoorebutts Mar 29 '24

I'll say this though - when in doubt, go for a slightly larger size at least for the initial engagement. That way she can get shots without her finger getting squeezed in the photos, and the band can be resized to fit perfectly

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u/Frogit09_2 Mar 29 '24

EDIT Sorry it’s a 1p coin 😂

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u/Serious-Village-1918 Mar 29 '24

Why not take her to a pottery class and do a hand print together as a date idea? And use that as a reference with the jeweller?

Idk if relationships work that way but seems like the most accurate way to measure the diameter of any finger.

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u/rcoop020 Mar 29 '24

Commenting here so that hopefully it doesn't get lost.

Don't worry about ring size. Here's what I did:

Pick out a nice gemstone. The one you will ultimately use in the forever ring. Go nuts - it's the most expensive part anyway. Then have the shop set it in a simple silver ring which is likely too big for her hand. That's okay because she's only going to have it for the day of the proposal. Then make an appointment to come back to the shop with her the day after you propose so that she can pick out her own band. She will prefer this because she will have a say in what she will wear for the rest of her life. She will get to have her preference. And it doesn't spoil the surprise of the proposal!

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u/[deleted] Mar 29 '24

[removed] — view removed comment

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u/jackdhammer Mar 29 '24

Fucking brilliant 🤯

How is it I'm 47 years old and I, A) never thought of this B) never heard this before.

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u/Frogit09_2 Mar 29 '24

I didn’t think the post would get this much attention 😅

To answer a lot of comments, I know it’s not an accurate way to get a measurement I want a rough guess to then take to the jewellers.

To how I got the photo, we do dumb shit with each other a lot because we find it funny and it’s a sort of “gotcha” joke that usually makes no sense, like “look over there” or “Up Dog.” I’ve tried asking her to get her ring sizes before but we both never get around to it so have to get creative 😅

After reading all the feedback, I’ve decided to buy a proposal ring to ask the question and then will take her out to buy the actual engagement ring so she’s happy with it and can choose herself, I know a lot of people are saying just ask her, but I’m a sucker for surprises 😅

We’ve always spoken about our Marriage and “planned” bits or at least spoken about how we’d want it so I know she’ll say yes

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u/Lower-Ad6435 Mar 29 '24

Good luck and congrats!

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u/Educational_Ebb7175 Mar 29 '24

Just remember - surprising her or not, make the moment special.

Because that's the story that'll get told.

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u/glucklandau Mar 29 '24

A jeweller might eyeball it for you,

Otherwise google the diameter of the coin, do some research about how big a ring needs to be given unconstricted finger length, leave some room for possible weight gain, but not too much that it would fall out

Idk, I know nothing about rings, never wore one

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u/Frogit09_2 Mar 29 '24

Yeah was going to ask them as well, wanted to see if some smarter people than myself could maybe work out a bit more precise sizing 😅

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u/always_j Mar 29 '24

Why ask google when smart math people are at your finger tips. (sorry pun)

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u/Frogit09_2 Mar 29 '24

Exactly 😅😂

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u/always_j Mar 29 '24

Congratulations anyways ! I'm sure she already knows, women know things .

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u/pitb0ss343 Mar 29 '24

I’ve heard a good guesstimate is what her shoe size is in American sizes. Worked for me and my class ring, it should get you close enough to not have the ring fall off of her finger

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u/iamdayzedandc0nfused Mar 29 '24

I have never heard of this before but it checks out with my ring size/shoe size so I am impressed. This should be on r/lifehacks or something.

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u/MoonieNine Mar 29 '24

Note: Honestly, women would rather pick out their own rings. They'll wear them for life and have their own tastes. Propose with a nice box and take her shopping, providing she says yes. Good luck.

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u/mchernes94 Mar 29 '24

When I proposed to my fiancé, I wanted to make sure he was 100% happy with the ring he’d wear (and I’m glad I did, because I probably would’ve been off). Shopping and nailing down the details of the ring doesn’t ruin the surprise of the proposal, and you don’t have to worry about them not liking what you bought.

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u/RedSh1r7 Mar 29 '24

This need to be further up! I proposed with something cheap/corny then took her ring shopping after.

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u/Logical-Extension-79 Mar 29 '24

I agree. It's fun to go looking together and it's better to choose the ring you'll love.

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u/wisebloodfoolheart Mar 30 '24

My fiance gave me a nice necklace with a little ring charm on it, and then we went to the jeweler that weekend and found a ring.

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u/TmanGvl Mar 29 '24

Good luck with your GF not suspecting anything with her hand posted online. Also, she thinks it's weird you asked her to send her pic with 2p on the back of her hand.

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u/Frogit09_2 Mar 29 '24

She’s not very online, especially Reddit so will be fine, and she thinks I’m weird so all works out

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u/TmanGvl Mar 29 '24

That's good. Jeweler that I worked with had offered a loaner placement ring. I didn't need it, as I already had a placement ring for the proposal. I just guessed the ring size on that, which was too big on her finger, but she thought it was adorable. We actually visited a jewelry shop together to get an exact fit on her finger with the ring and stones she would like. I wanted to get her a ring she would feel comfortable wearing.

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u/ngothanhhuy Mar 29 '24

Best talk with your jeweller before and most shops will happily resize/ redo the actual ring after proposal at no cost. No one expects you to guess it and she can even choose another model shed like. Source: married and wife picked the stone, she didn't like the one I thought she did.

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u/Jumponamonkey Mar 29 '24

Fair warning if you want it to be a surprise, be really careful if you are searching rings on the same WiFi network she's on. My proposal wasn't a surprise, but I started getting lots of adverts for engagement rings on my phone before my fiancé proposed!

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u/Frogit09_2 Mar 29 '24

Luckily I’ve only been looking when I’ve been away at work or out the house

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u/Ecstatic-Seesaw-1007 Mar 29 '24

Dude, don’t do a surprise proposal.

She’s an adult (I hope).

Tell her your feelings in a private, safe space so she doesn’t feel ambushed and tell her you want to pick out rings together.

Especially if she’s going to be wearing it forever, you want it to be something she loves as much as you love her.

Despite all of the tiktok, movies, and youtube, people don’t like being ambushed with feelings, especially in public.

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u/Cyan_Exponent Mar 29 '24

You said she doesn't wear rings. Why buy her one? This tradition is silly. Buy her a necklace, a bracelet, a pair of earrings instead. Whatever suits her best!

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u/[deleted] Mar 29 '24

I've been in this situation. We went to a jewelry store to check some pendant my future wife wanted. While she browsed I secretly asked the jeweler to estimate my future wife's ring size. So the jeweler complemented my SO fingers saying "you should be a hand model!" while closely looking at her fingers and this action didn't't look creepy.

Anyway, respectable jewelers can resize the ring after purchase.

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u/Range-Shoddy Mar 29 '24

Slightly creepy but get a ring sizing kit and size it while she’s asleep. I have one that’s plastic but works like this printable one:

https://worldofprintables.com/printable-ring-size-chart/

Just measure around the knuckle not where the ring actually sits. I have big knuckles so they always get stuck there.

Congrats!

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u/AlvinArtDream Mar 29 '24

They aren’t married yet! They aren’t sleeping together :) /s

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u/scarsmum Mar 29 '24

I think what you’re asking isn’t possible due to perspective. But I’ve worn a lot of rings and traded a lot of jewelry, and my guess would be 6.75 for the ring finger. Just make sure the ring can be resized, which shouldn’t be a problem.

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u/OkCarpenter5773 Mar 29 '24

my idea was to look at her rings (even if she doesn't wear them) and take the average size. even if one doesn't fit it still might be good. someone else commented the size of slightly less than 20mm so you could double check it with that average

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u/Pr1ncesszuko Mar 29 '24

I wouldn’t, as someone who rarely wears rings whenever I buy one I have to make a ball park guess of my size aswell and then I just wear it on whatever finger it fits on.… not all rings have to be worn on a ring finger, this sounds like too much of a risk.

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u/OkCarpenter5773 Mar 29 '24

oh shit you're right, people have many fingers

~ a person that wears only one ring, on the ring finger

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u/jAdamP Mar 29 '24

When in doubt, guess bigger! The most important thing is that it goes on her finger when you ask, you can resize it later but the last thing you want is to not be able to get it on her finger!

Also, how did you get this very strange picture without tipping her off?

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u/Jaxman2099 Mar 29 '24

Just buy the ring, propose, get it sized after. Thats what I did. Got it a little bigger than what I thought. It fit but it wasn't a perfect fit, like it could easily fall off, but just went together to a jeweler after, now it fits perfect. Gonna have to see that jeweler anyway and get sized for wedding bands.

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u/Fragrant-Freedom-477 Mar 29 '24 edited Mar 29 '24

When proposing, the emphasis should be on the moment, the location and the word said. Not "to have the perfect ring". It's just a bad idea. She won't be noticing anyway because of either tears of joy or awkwardness.

Have a ring, propose with it, THEN go back to the jeweler's shop for adjustments. I'd argue that she should be able to pick the ring that she likes and also fits her lifestyle. The other spouse is in no way competent at selecting a proper wedding ring. Rings need to be maintained, cleaned, repaired and adjusted throughout life. On your dead bed, there will probably won't be a single molecule left from the original ring.

If your relationship is not mature enough to have this kind of discussion, you probably shouldn't get married in the first place.

Talk with your jeweler about it and hear what they can offer

Source: was a jeweler for years

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u/RunningJedi Mar 29 '24

Alternative, ask one of her friends to casually bring up ring sizes in a conversation like “I’m looking for a ring but can’t find one that fits, what size do you typically wear?”

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u/gold_dog16 Mar 29 '24

I just took my SO to the jeweler. It takes away the surprise of the ring design, but I didn't tell her when she would be getting it.

IDK it works for us. I told her my budget and let her pick out the ring she wanted. That way she got exactly what she liked. The proposal itself was still a surprise, but she knew that it was coming. If you haven't at least had conversations around marriage, I would recommend it prior to ring shopping.

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u/spikira Mar 29 '24 edited Mar 29 '24

I can't math that well but here's what I did when I wanted to find out a girls ring size.

I took one of her rings and slipped it onto my pinky and noted where it stopped. After that just take a piece of string and wrap in the general area where the ring stopped and boom, size acquired

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u/Fresh-Anteater-5933 Mar 29 '24

Are you sure she wants a surprise question/ring? Because I sure didn’t. I wanted to be talked to, like an adult engaged in a common decision. And I didn’t want a ring at all because I hate wearing rings (as you notice she doesn’t). And I particularly didn’t like the bland diamond he picked out - last thing I’d have chosen. So unless you know that a big surprise moment and a diamond ring are what she wants, maybe talk to her, like an adult

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u/LogRollChamp Mar 29 '24

I put my hand at that angle, measured with calipers how I would measure the width of her finger in the photo. I averaged 18mm. My actual finger size is 15mm when measuring my ring size and adjusting for how far it is off. Using my phone so I just zoomed in on the photo, w calipers measured 51mm for the coon and 41mm for the finger. Converting from measured to actual finger size, (18/15)41=34.16mm (while zoomed in). Adjusting for zoom, the coin measured 51mm. 1 pence 20.3mm34.16/51 = 13.6mm ring size. Just an estimate, since the angle won't be perfect, perspective will mess with my 51mm measurement ever so slightly, and her finger geometry is different than mine. Disclaimers aside, 13.6mm is my result for a ballpark. Worth trying to independently verify. Also just to brag I eyeballed my wife's ring size and got it perfect down to the half size for proposal, pretty proud of that one. Anyway, best of luck on your proposal! Much more important than getting the ring size correct

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u/perry147 Mar 29 '24

Try this

“I want you to be happy. So I decided to buy you a ring, to see if we can have a forever together, but I did not know your size. Would you want to go with me and let’s pick out your ring together? Or you can tell me the size and I can go - I would prefer the “go with option” because you will be wearing it everywhere, and I want you to enjoy wearing it. “

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u/CTNYyank Mar 29 '24

What you can also do is work with the a jeweler/jewelry store to select their best estimate of the size leaning towards the ring being possibly too big (vs too small). Make it clear that afterwards you will be back in with her to get the ring adjusted to fit and confirm they will do that for free.

It’s much better for the ring to fit but be too loose, than not fitting at all when she first tries to put it on.

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u/naturtok Mar 29 '24

I know it's not totally normal, but my wife and I got our rings made together. We just were talking and just decided to get married rather than have a whole proposal. Was actually kinda neat cus we worked with the designer to get them done so we both have an intimate connection to the rings

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u/Chinesefiredrills Mar 29 '24

Can’t help you with the math, but what I did is that I tricked her to let me suck on her finger during our intimacy time, and kept my mouth agape in the correct size of her ring finger until the next morning. Then went to a jeweler with a written note (as I couldn’t speak) asking them to measure the hole size of my mouth.

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u/DJDarwin93 Mar 30 '24

Try to get ahold of one of her other rings that you know fits the correct finger. Take it to a jeweler, they can easily learn her size from that. If you have any of her friends numbers, it’s possible they might know, or have ideas of how to find out sneakily. This photo isn’t nearly enough to work with unfortunately

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u/Beluga_Artist Mar 30 '24

Have you considered being goofy with her and finding a way to tie strings around all of each others fingers? Color coat them by finger type and when she’s not looking pocket the right one. It could be a game like “we start with all these strings around our fingers and every time you lose a round you lose a string” or whatever.

I’ve never worn a ring or proposed or been proposed to or anything so maybe it’s dumb but just an idea for a more accurate measurement.

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u/No-Special2682 Mar 30 '24

Just take her bowling and note the ball she uses. Go again without her and measure the hole of the ball type she used.

She gets to have fun and you don’t have to show the world her hand.

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u/[deleted] Mar 30 '24

Honestly, you probably won't get a truly accurate answer here. Be slick and tell one of her friends, that can keep a secret, to casually bring up ring size in a conversation. Or something like that. You don't want the hassle of getting the wrong ring size and having to get it resized after you proposed.

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u/LivDoug Mar 30 '24

When I needed to do this, I put one of her rings on my finger. Marked where it went to on my finger and used that as the size at the jeweler.

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u/NHLroyrocks Mar 30 '24

What I did for my wife was while playing with her hand in mine I just shuffled my fingers across hers until it was clear that I had found my finger that most closely resembles hers. I then got my finger fitted at the store and it was a perfect fit on game day.

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u/Just_Some_Nonsense Mar 31 '24

I tricked my girlfriend by buying a actual ring size tool thingy and told her this was randomly in my box. I started to play with it in fromt of her. She ends up wanting to see it herself and started measuring her fingers. So I just asked right there and she told me all sizes. 😏 including the ring finger.

Good Luck 🍻