Volume converter

Milliliters to
US Cups

Convert milliliters to US cups for recipes and serving sizes.

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How to convert milliliters to us cups

Apply the documented milliliters-to-us cups relationship below, keeping the full stored constant until the displayed result is rounded.

Milliliters × 0.00422675284 = US Cups

For example, 10 mL equals 0.04226753 cups.

Milliliters to US Cups reference table

MillilitersUS Cups
1 mL0.00422675 cups
5 mL0.02113376 cups
10 mL0.04226753 cups
25 mL0.10566882 cups
50 mL0.21133764 cups
100 mL0.42267528 cups

Method and quality checks

Calculation
Milliliters × 0.00422675284 = US Cups. The calculator keeps the stored factor through the operation and rounds only the displayed result to the selected or page-supported precision.
Unit convention
US customary liquid measures are used when a unit name has a regional variant. Imperial and metric recipe units can produce different answers.
Input validation
Finite numeric inputs are accepted. Results outside the supported numeric range are rejected instead of being displayed as valid measurements.
Reasonableness check
10 mL produces 0.04226753 cups. Check the direction and approximate scale before relying on a more precise displayed value.

Deeper method: Kitchen measurement essentials.

Converting milliliters to the right cup convention

Milliliters are unambiguous metric volume units, but cup sizes vary by convention. This page reports US customary cups, where one cup is approximately 236.588 mL. A 240 mL legal cup or 250 mL metric cup will produce a different count.

  • Use the cup standard named in the recipe or appliance manual.
  • For rough kitchen work, 240 mL is close to one US cup.
  • Choose an ingredient-aware tool when the target unit is grams.

Reference: NIST volume conversion factors.