Cups to mL Converter
Convert cups to milliliters by choosing the correct cup standard first. The tool supports US customary, US legal, metric and Imperial cup sizes, plus fractional cup input.
Quick conversion table
| US Customary Cups | Milliliters |
|---|---|
| 0.25 US cup | 59.1471 mL |
| 0.333333 US cup | 78.8627 mL |
| 0.5 US cup | 118.2941 mL |
| 0.75 US cup | 177.4412 mL |
| 1 US cup | 236.5882 mL |
| 1.5 US cup | 354.8824 mL |
| 2 US cup | 473.1765 mL |
| 3 US cup | 709.7647 mL |
| 4 US cup | 946.3529 mL |
How to use the Cups to mL Converter
- Choose the cup standard used by your recipe or measurement.
- Enter the number of cups.
- The converter multiplies the cup amount by the selected cup size in milliliters.
- Fractions such as 1/2 or 3/4 cup are supported.
- Choose the number of decimal places to display.
- Copy the result or use Swap to convert milliliters back to cups.
Examples
1 US customary cup to mL
1 US customary cup is approximately 236.5882365 mL.
1 metric cup to mL
1 metric cup equals exactly 250 mL.
1/2 US customary cup to mL
Half a US customary cup is approximately 118.29411825 mL.
3/4 metric cup to mL
Three-quarters of a metric cup equals exactly 187.5 mL.
2 metric cups to mL
2 metric cups equals exactly 500 mL.
Frequently asked questions
How many mL is one cup?
It depends on the cup standard. A US customary cup is about 236.588 mL, while a metric cup is exactly 250 mL.
How many mL is half a cup?
Half a US customary cup is about 118.294 mL. Half a metric cup is exactly 125 mL.
How many mL is 3/4 cup?
Three-quarters of a US customary cup is about 177.441 mL. Three-quarters of a metric cup is exactly 187.5 mL.
Can I enter fractions such as 1/2 cup?
Yes. The cup input accepts supported fractions such as 1/2, 1/3 and 3/4.
Why is one cup sometimes shown as 240 mL?
240 mL is commonly used as a practical rounded cooking equivalent and is also the US legal cup size. It is not the same as the US customary cup of about 236.588 mL.
Is a metric cup 250 mL?
Yes. One metric cup equals exactly 250 milliliters.
Can I convert mL back to cups?
Yes. Use Swap or open the mL to Cups Converter.
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