this post was submitted on 25 Sep 2025
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cross-posted from: https://piefed.ca/post/241259

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[–] n3m37h@sh.itjust.works 8 points 1 month ago* (last edited 1 month ago) (1 children)

Could have used more than 1 measurement 1g = ml = 1x1x1cm cube of water

Meter can be divided by 100 to make cm or multiplied by 1000 for km, a cm can be divided by 10 to get mm.
A 100x100m square is a hectare

[–] Schlemmy@lemmy.ml 3 points 1 month ago* (last edited 1 month ago) (1 children)

Wait. Shouldn't it be 1g = 1 ml = 1x1x1 mm cube of water?

[–] n3m37h@sh.itjust.works 1 points 1 month ago* (last edited 1 month ago) (2 children)

1g = 1ml = a 1x1x1cm cube if pure h2o

g = weight
mL = volume (3d)
cm = distance (2d)

[–] Zerush@lemmy.ml 2 points 1 month ago (1 children)

g isn't the unit of weight, it's the unit of mass, the unit of weight is N(ewton) and depends on the gravity, only the mass of an object is always the same, not the weight. Your weight on sea level is higher than on the Mount Everest. This is one of the biggest fail in the imperial system, there isn't a difference of weight and mass and the cause of even deathly accidents.

[–] n3m37h@sh.itjust.works 2 points 1 month ago
[–] Schlemmy@lemmy.ml 1 points 1 month ago (1 children)

Woosh. Yeah, it keeps feeling counterintuïtive to go from mili to centi

[–] n3m37h@sh.itjust.works 2 points 1 month ago (1 children)

Just move the decimal place, how hard is that?

[–] Schlemmy@lemmy.ml 1 points 1 month ago (1 children)

I know.. But from square to cubic

[–] n3m37h@sh.itjust.works 1 points 1 month ago (1 children)

How a 1x1x1cm cube = 1ml of h2o?

[–] Schlemmy@lemmy.ml 1 points 4 weeks ago

Yeah. I'm over 40 years into the metric system and I keep making this mistake intuitively. I don't make it when doing calculations bit just when quick guessing.