Cups to Milliliters Converter (cup to mL) + Formula
One US cup equals 236.588236 milliliters — multiply cups by 236.588236 to convert to milliliters. To reverse it, divide milliliters by 236.588236. A cup is a little under 237 mL.
The formula
Multiply your cup value by 236.588236 to get milliliters.
mL = cup × 236.588236
Example: 2 cups × 236.588236 = 473.176472 mLThis is the US customary cup. Many recipes round it to 240 mL, but the exact conversion is 236.588236 mL per cup.
Conversion table
| Cups | Milliliters (mL) |
|---|---|
| 1 | 236.588236 |
| 2 | 473.176472 |
| 4 | 946.352944 |
| 5 | 1182.941180 |
| 8 | 1892.705888 |
| 10 | 2365.882360 |
| 16 | 3785.411776 |
| 20 | 4731.764720 |
| 50 | 11829.411800 |
| 100 | 23658.823600 |
How to convert online
- Type the number of cups into the first box.
- Read the equivalent in milliliters instantly in the second box.
- Enter a milliliter value instead to convert back to cups.
Use the Cup to Milliliter Converter — free and instant in your browser.
Where this conversion is used
Cups-to-milliliters is the go-to conversion for cooking and baking with metric measuring jugs, mixing drinks and coffee, dosing liquids, and any nutrition or chemistry task where a US cup measurement must be read in precise milliliters.
FAQ
How many milliliters are in a cup?
One US cup equals 236.588236 mL. For example, 2 cups is about 473 mL and 4 cups is about 946 mL.
Is a cup 240 mL or 236.6 mL?
The exact US customary cup is 236.588236 mL. 240 mL is a common rounded value used in some recipes and labels.
Is the conversion exact?
The value 236.588236 is the US cup rounded to six decimals — precise enough for any kitchen or lab use.
How do I convert milliliters back to cups?
Divide milliliters by 236.588236, or use our Milliliter to Cup converter for the reverse direction.
Related converters
- Milliliter to Cup Converter
- Cup to Liter Converter
- Cup to Teaspoon Converter
- Cup to Tablespoon Converter
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