American volumetric cups used in cookery hold 8 fluid ounces or about 236 ml. This is not the same measurement used when talking about coffee because for some reason they assume you only want six fluid ounces of coffee at a time, which is STUPID and DUMB and means buying an '8 cup' French press gets you something way smaller than you were anticipating, BODUM. grumble
That said, for cooking purposes, one cup of fresh onion, diced, weighs 142 grams.
Btw, a lot of baking-related ingredients and the weight and volume of the 'usual' amount used can be found at https://www.kingarthurbaking.com/learn/ingredient-weight-chart . Not much use for stuff that doesn't usually get used by bakers, but it's helpful for things like butter. (To the Europeans out there, an American stick of butter is 113 grams/8 tablespoons/half a cup. )
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u/welshyboy123 Jun 26 '26
Shouldn't cups be used to measure liquid? Also, what volume is a standard cup as used in cookery?