Quick Answer
1 cup (cup) = 236.6 milliliters (mL), and 1 milliliter = 0.004227 cups. Cups is the larger unit, so the same physical amount needs a bigger number when measured in Milliliters. Convert either way with the live tool below or the dedicated converter pages.
Key Facts
- 1 cup (cup) = 236.6 mL
- 1 milliliter (mL) = 0.004227 cup
- Conversion is exact multiplication - no rounding in the factor
- Table below covers common values in both directions
- Dedicated converters: cup→mL and mL→cup pages with live tools
Frequently Asked Questions
Which is bigger, a cup or a milliliter?
One cup equals 236.6 mL, and one milliliter equals 0.004227 cup. The unit with the larger factor is the physically bigger one.
How do I convert cups to milliliters?
Multiply by the factor: value in mL = value in cup × 236.6. Example: 5 cup = 1,183 mL. Reverse: divide by 236.6 (or multiply by 0.004227).
Why are cups and milliliters different?
They are two different units measuring the same physical quantity. A cup is defined as exactly 236.6 mL, and a milliliter as exactly 0.004227 cup. Because the units differ in size, the number you write down for the same amount depends on which unit you use - the conversion factor itself is exact, with no rounding.
Is there a quick way to convert without a calculator?
Memorize the 1-to factor: 1 cup ≈ 236.6 mL. Then multiply. For 2 cup that's ≈ 473.2 mL.