How Many ml in a Cup?

“Cup” means different volumes in different countries:

CupMilliliters
US customary cup236.6 ml
US legal cup (nutrition labels)240 ml
Metric cup (AU, NZ, CA, modern UK)250 ml
Imperial cup (old UK recipes)284 ml
Japanese cup200 ml
US cupsml
1/83
1/459
1/379
1/2118
2/3158
3/4177
1237
1 1/2355
2473
371
4946

For an American recipe, use 236.6 ml (or simply 240 ml). Cupsgram’s converters use the US customary cup.

FAQ

Is a cup 250 ml?

In metric countries yes; a US cup is slightly smaller at 236.6 ml.