In Money and the Mechanism of Exchange (1875), William Stanley Jevons famously analyzed money in terms of four functions: a medium of exchange, a common measure of value (or unit of account), a standard of value (or standard of deferred payment), and a store of value.
1 Cup [US] = 236.588237 Milliliters. 1 Cup [Metric] = 250 Milliliters. also. 1 Cup [Metric] = 1.057 Cup [US] For example, to calculate how many milliliters of water in a half (1/2) US cup, multiply the cup value by the conversion factor, (1/2) * 236.588237 = 118.3 ml. of water.
A coffee cup is 1.5 dL or 150 millilitres or 5.07 US customary fluid ounces [citation needed], and is occasionally used in recipes. It is also used in the US to specify coffeemaker sizes (what can be referred to as a Tasse Ã  cafÃ©).