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Rule of Measurement
(lemmy.world)
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this post was submitted on 06 Apr 2024
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A cup is 236 ml. I was always taught 240 ml but google converts to 236.
Thanks for proving how stupid of a measurement a "cup" is
I'm also confused by this 473 ml pint, is that some American thing? I always thought pints were 568 ml... as in pint of beer.
Imperial (used in the British Empire) vs US customary. The imperial fluid gallon (4.54609 L exactly) was never historically defined in terms of another unit while the US fluid gallon was defined as 231 cubic inches (3.785411784 L exactly). A pint is defined as 1/16 of a gallon in each system, but they can't agree on how many ounces are in a pint (16 for US, 20 for imperial). Note that there are also imperial and US customary dry gallons and thus imperial and US customary dry pints...
That adds a hilarious new dimension to how shitty the Imperial system is because I had no idea that different countries would just define their own versions of the measurements.
Currently used definitions of the cup:
The US customary cup (236.6 mL) is 8 US customary fluid ounces. The US customary fluid ounce (29.6 mL) is 1/16 of a US fluid pint.
The US legal cup (240 mL) is 8 US nutritional fluid ounces. The US nutritional fluid ounce is 30 mL.
The metric cup is 250 mL
Historically used definitions of the cup:
Ths British cup (284.1 mL) is 10 imperial fluid ounces. The imperial fluid ounce (28.4 mL) is 1/20 of an imperial fluid pint
The Canadian cup (227.3 mL) is 8 imperial fluid ounces
Let's just forget about the whole thing.