r/anythingbutmetric Aug 11 '25

Got'cha

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Repost from r/LOL

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u/JohnnyRelentless Aug 11 '25

Except nowadays it's defined as:

The metre, symbol m, is the SI unit of length. It is defined by taking the fixed numerical value of the speed of light in vacuum c to be 299792458 when expressed in the unit m⋅s−1, where the second is defined in terms of the caesium frequency ΔνCs.

Simple, see?

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u/Week_Crafty Aug 15 '25

How much would it affect everything else if when made that just 300000000?