☙

cup

1

In the United States, a unit of liquid capacity = ¼ U.S. liquid quart, about 237 milliliters. For purposes of food labeling, the FDA defines it as 240 mL (21 CFR 101.9(b)(5)(viii)).

2

In imperial measure, a unit of liquid capacity = ¼ imperial quart, about 284 milliliters.

3

In Sierra Leone, 20ᵗʰ century, a unit of capacity used for grain, approximately 333 milliliters.

United Nations, 1966.

4

In Australia, which uses the metric system, 20ᵗʰ century, the cup used in recipes has become 250 milliliters, 5.5% larger than the American cup, and 12% smaller than the old imperial cup. The cup is very likely to migrate to this value worldwide. Most new graduated kitchen measures are already marked at a 250-mL level.