About the ml to cup calculation
One milliliter is exactly 0.00422675 cups, so converting between them is a single multiplication. Enter any value above and the result updates as you type. The everyday unit for drinks, medicine doses and recipe liquids. The US legal cup is 240 ml; the customary cup used in recipes is 236.6 ml.
Formula
cup = ml × 0.00422675
1 ml = 0.00422675 cup
1 cup = 236.588 mlWorked example
To convert 500 ml, multiply by 0.00422675: 500 × 0.00422675 = 2.1134 cup.
Frequently asked questions
How many cups are in a milliliter?
There are 0.00422675 cups in one milliliter. To convert any amount, multiply the number of milliliters by 0.00422675.
How do I convert cups back to milliliters?
Divide instead of multiplying, or equivalently multiply by 236.588. One cup is 236.588 milliliters.
Is this conversion exact?
Yes. Since the international agreement of 1959, the relationship between milliliters and cups is defined exactly rather than measured, so the only rounding here is in how many decimal places we show.
Where is each of these units used?
Milliliters: the everyday unit for drinks, medicine doses and recipe liquids. Cups: the US legal cup is 240 ml; the customary cup used in recipes is 236.6 ml.
Sources
- NIST Special Publication 811 — Guide for the Use of the International System of Units