Cups to Milliliters Converter

Convert cups to milliliters and milliliters to cups for cooking and baking.

Common Cup to Milliliter Conversions

Cups (US) Milliliters (mL) Description
1/459.15Quarter cup
1/378.86Third of a cup
1/2118.29Half cup
1236.59One US cup
2473.18Two cups (one pint)
3709.76Three cups
4946.35Four cups (one quart)

Cups and Milliliters Conversion Formulas

Converting between cups and milliliters relies on a single conversion factor. One US customary cup is defined as 236.588 milliliters, so each conversion is a simple multiplication or division by that factor.

Cups to Milliliters

mL = cups × 236.588

Example: 2 cups × 236.588 = 473.176 mL

Milliliters to Cups

cups = mL ÷ 236.588

Example: 500 mL ÷ 236.588 = 2.11338 cups

US Cup vs. Metric Cup

Not all cups are the same size. This converter uses the US customary cup of 236.588 mL, which is the standard used in most American recipes. Other definitions exist and can cause noticeable differences in baking and cooking.

The metric cup, used in Australia, New Zealand, and many other countries, equals exactly 250 mL. The legal US cup used on nutrition labels is 240 mL. Always check which cup a recipe means before converting precise amounts.

Key Reference Measurements

  • One US cup: 1 cup = 236.588 mL. The standard cup used in American recipes.
  • Half cup: 1/2 cup = 118.294 mL. A common baking measurement.
  • One pint: 2 cups = 473.176 mL. Equal to half a US quart.
  • Metric cup: 1 metric cup = 250 mL. Used in Australia and many other countries.