Cups to ml Converter

1 US cup = 236.6 ml, 1 metric cup = 250 ml, 1 US legal cup = 240 ml. Choose your cup and enter an amount.

Cup size

1 US cup =

237 ml

8 fl oz · 16 tbsp · 48 tsp

TipMeasure liquids in a clear jug on a flat counter and read the line at eye level.

Cups to ml chart

CupsUSMetricImperial
⅛ cup30 ml31 ml36 ml
¼ cup59 ml63 ml71 ml
⅓ cup79 ml83 ml95 ml
½ cup118 ml125 ml142 ml
⅔ cup158 ml167 ml189 ml
¾ cup177 ml188 ml213 ml
1 cup237 ml250 ml284 ml
1½ cups355 ml375 ml426 ml
2 cups473 ml500 ml568 ml
3 cups710 ml750 ml852 ml
4 cups946 ml1,000 ml1,137 ml

US cup = 236.6 ml (8 US fl oz). Metric cup = 250 ml. Imperial cup = 284.1 ml. Values rounded to the nearest ml.

Cups to ml FAQ

How many ml are in a cup?

1 US cup is 236.6 ml. A metric cup (Australia, New Zealand, Canada, UK) is 250 ml. Nutrition labels in the US use a "legal cup" of 240 ml.

Is 1 cup 250 ml?

Only a metric cup is exactly 250 ml. A US cup is 236.6 ml, about 13 ml less. For most cooking the difference doesn't matter, but in baking it adds up over several cups.

How many ml is half a cup?

½ US cup is 118 ml. ½ metric cup is 125 ml.

What is an imperial cup?

An old British measure of 284 ml (½ imperial pint). Modern UK recipes use the 250 ml metric cup instead, but you may still see the imperial cup in older cookbooks.