US cups to millilitres
Multiply US cups by 236.5882 to get millilitres.
1 cup = 236.5882 mL
How to convert US cups to millilitres
The millilitre is one thousandth of a litre, equal to one cubic centimetre (cm³). The US cup is a US customary cup, one sixteenth of a gallon (236.5882365 millilitres).
Worked example — 1 cup: 1 × 236.5882 = 236.5882 mL.
US cups to millilitres table
| US cups | Millilitres |
|---|---|
| 0.25 cup | 59.1471 mL |
| 0.33 cup | 78.0741 mL |
| 0.5 cup | 118.2941 mL |
| 0.75 cup | 177.4412 mL |
| 1 cup | 236.5882 mL |
| 1.5 cup | 354.8824 mL |
| 2 cup | 473.1765 mL |
| 3 cup | 709.7647 mL |
| 4 cup | 946.3529 mL |
Reverse and related
About US cups and millilitres
US cup (cup)
1 cup = 236.5882 mLDefinition. A US customary cup, one sixteenth of a gallon (236.5882365 millilitres)
History and origin
The US customary cup was standardised as a cooking measure at one sixteenth of a gallon, about 237 millilitres. It became popular through American recipe books in the nineteenth and twentieth centuries.
Current use
The cup is the dominant volume measure in US home cooking and baking; metric recipes usually give millilitres or grams instead.
Source: NIST Handbook 44, Appendix C §2 (U.S. Customary Units) and §5 (Tables of Equivalents)
Millilitre (mL)
1 mL = 0.00422675 cupDefinition. One thousandth of a litre, equal to one cubic centimetre (cm³)
History and origin
The millilitre is one thousandth of a litre, equal to one cubic centimetre. It came with the decimal metric system as the unit for small liquid volumes.
Current use
Millilitres are used for recipes, medicine doses and cosmetics, and are printed on most small bottles and cans.
Source: BIPM SI Brochure (2019); the litre is an SI-accepted unit (1 L = 1 dm³)
Where people use this
US cups: recipes, baking. Millilitres: recipes, medicine doses, cosmetics. 1 US cup is about 237 mL.
Every value is carried to full double precision; the display is rounded.
Sources: BIPM SI Brochure (2019); the litre is an SI-accepted unit (1 L = 1 dm³); NIST Handbook 44, Appendix C §2 (U.S. Customary Units) and §5 (Tables of Equivalents).
Questions people ask
How many mL is 1 cup?
One US cup is about 237 mL (236.6 mL). To convert cups to mL, multiply by 237.
How many mL is 2 cups?
2 US cups is about 473 mL, and 3 cups is about 710 mL.
How many mL is half a cup?
Half a US cup is about 118 mL, and a quarter cup is about 59 mL.
How many mL is three quarters of a cup?
Three quarters of a US cup is about 177 mL.
Is a US cup the same as a metric cup?
No. A US cup is 237 mL, while the metric cup used in many countries is 250 mL.