Question: are cups in the metric system?
Answer: A cup is a unit of volume measurement of volume equal to 16 tablespoons, ½ pint, ¼ quart, or 8 fluid ounces. ... A metric cup is 250 mL in Australia, Canada, New Zealand and the UK. These countries previously used the imperial system, in which a cup would be 284 mL or 6/5 US cups. A Japanese rice cup is 180 ml.