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Converters
Cups to ML
One US customary cup is 236.588 millilitres. Multiply cups by 236.5882365 when a recipe means the 8 fluid ounce cup.
1 cup = 236.5882 mL
How to use it
- Type a value in US cups. The millilitres result updates immediately.
- Read the full factor under the result if you need to check the math by hand.
- Use the table for the values people look up most often.
- Open the reverse converter when you already have millilitres.
Formula
millilitres = US cups × 236.5882365
One US customary cup is exactly 236.5882365 millilitres (8 US fluid ounces). A nutrition-label cup is 240 ml. A metric cup is 250 ml.
Three quarters of a cup
0.75 × 236.5882365 = 177.441 millilitres. Bakers who weigh water can treat that as about 177 grams, because a millilitre of water weighs a gram.
If the recipe was written in Australia or with metric cups, a cup is 250 ml and you should not use this factor. If it was written in the United States for home cooking, the customary cup of 236.588 ml is the usual meaning. A half cup is 118.294 ml. A quarter cup is 59.147 ml. Two cups of water are 473.176 ml, close to a pint.
Common cups to ml values
| US cups | millilitres |
|---|---|
| 0.25 cup | 59.1471 mL |
| 0.5 cup | 118.2941 mL |
| 0.75 cup | 177.4412 mL |
| 1 cup | 236.5882 mL |
| 2 cup | 473.1765 mL |
| 4 cup | 946.3529 mL |
Questions
How do I convert US cups to millilitres?
Use millilitres = US cups × 236.5882365. The converter applies that factor at full precision and rounds only what it displays.
Is this cups to ml factor exact?
One US customary cup is exactly 236.5882365 millilitres (8 US fluid ounces). A nutrition-label cup is 240 ml. A metric cup is 250 ml.
How many ml is one US cup?
One US customary cup is 236.588 ml. US nutrition labels use 240 ml per cup, and a metric cup is 250 ml.
Does ProHacks store the number I type?
No. The conversion runs in your browser. The value is not uploaded with the calculation.