Converter

Convert US cups to millilitres

US cups (cup)

millilitres (ml)

236.588

Formula: ml = cup × 236.588

cup to ml quick reference table

US cups (cup)	millilitres (ml)
1	236.588
2	473.176
5	1,182.94
10	2,365.88
20	4,731.76
25	5,914.71
50	11,829.41
100	23,658.82
250	59,147.06
500	118,294.12
1,000	236,588.24

Everyday cup values, converted

1 cup = 236.588 ml — one US cup in a recipe.
2 cup = 473.176 ml — two cups of liquid.

Where cup to ml comes up

Volume conversions turn up in cooking, fuel economy and drinks measures. American and metric recipes use different base units, and a cup is not the same size in every country.

Doing cup to ml in your head

Multiply by 236.6 for a close estimate; the calculator above keeps the full factor of 236.588.

Precision and rounding

One US cup is exactly 236.588 millilitres under the current definitions of both units, so the only judgement call is how many digits you keep. Two decimal places is already finer than most household scales and tape measures can read, while engineering and medical work usually keeps the full factor and rounds once at the end rather than at every step.

Frequently Asked Questions & How-To

1 US cup equals 236.588 millilitres. 10 US cups is 2,365.88 millilitres, and 100 US cups is 23,658.82 millilitres.

The conversion uses ml = cup × 236.588. Type any amount above and the result updates as you type — no button press and no page reload.

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