Unit Converter

Milliliters to Cups (US) Converter

Convert milliliters to US cups instantly. 1 mL = 0.00422675 cup. Free, accurate, no signup required.

Cups (US)

0.004227 cup

1 mL = 0.004227 cup

Milliliters to Cups (US) formula

cup = mL × 0.004227

Milliliters and US cups measure volume. One milliliter is defined as exactly 1/1000 of a liter. A US cup equals 236.588 milliliters, making the conversion factor 0.00422675 cups per milliliter. This relationship is fixed by international standards.

Milliliters to Cups (US) conversion table

Milliliters (mL)Cups (US) (cup)
1 mL0.004227 cup
2 mL0.008454 cup
3 mL0.01268 cup
5 mL0.021134 cup
10 mL0.042268 cup
20 mL0.084535 cup
25 mL0.105669 cup
50 mL0.211338 cup
100 mL0.422675 cup
500 mL2.1134 cup
1000 mL4.2268 cup

When you need to convert milliliters to cups (us)

  • Scaling recipes from metric ingredients (e.g., 250 mL milk) to US cup measurements
  • Converting beverage volumes on food labels for dietary tracking
  • Adjusting baking formulas when using metric volume instead of cup measures
  • Travel planning to understand drink sizes when ordering abroad
  • Medical dosing and liquid medication volumes in household measurements

Frequently asked questions

Why is the conversion factor so small?

A cup is much larger than a milliliter—one cup holds about 236.6 mL. So converting mL to cups produces a small decimal. Reverse it: one cup ≈ 236.6 mL.

Is there a difference between US cups and metric cups?

Yes. A US cup is 236.588 mL; a metric cup is 250 mL. This converter uses US cups. Always check your recipe source to confirm which cup standard applies.

How accurate does my conversion need to be?

For cooking and baking, rounding to 2–3 decimal places is sufficient. For precise dosing or chemistry, use full precision. The calculator shows all decimal places automatically.

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FreeToolz Editorial Team · Last reviewed July 2026

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