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Cup Converters

Convert cups to milliliters, tablespoons, teaspoons, fluid ounces, and other volume measurements.

What this tool does

Convert cups to milliliters, tablespoons, teaspoons, fluid ounces, and other volume measurements. Type an amount in US customary cups, choose the units, and the tool converts it to milliliters. It offers 13 volume units and also shows the same amount in the others.

Inputs

  • Value: A number.
  • From: Choose one from 13 options, including US customary cup, Milliliter, Liter, US tablespoon, US teaspoon, US fluid ounce. Starts as US customary cup.
  • To: Choose one of the same 13 units as "From". Starts as Milliliter.

How to use

  1. Enter the amount you want to convert.
  2. Choose the unit to convert from and the unit to convert to.
  3. Read the result: the converted amount and the same amount in the other units. It appears once every required field has a valid value.

Worked examples

Conversions from US customary cups to milliliters:

  • 1 cup (US) = 236.5882365 mL
  • 5 cup (US) = 1,182.9411825 mL
  • 10 cup (US) = 2,365.882365 mL
  • 50 cup (US) = 11,829.411825 mL
  • 100 cup (US) = 23,658.82365 mL

Multiply the number of US customary cups by 236.5882365 to get milliliters. Both units are exact definitions, so 236.5882365 is the exact factor: 1 cup (US) = 236.5882365 mL.

Sources: US customary cup: exact by definition. Milliliter: SI Brochure, 9th edition (2019), Table 8.

Limitations

  • Converts the unit of a volume only. It does not work out a volume from dimensions or weight.
  • Sizes of cups, spoons, gallons and barrels differ between countries. Check that the unit chosen matches your recipe or source.

FAQs

Q: How many milliliters are in one US customary cup?
A: One US customary cup is about 236.59 milliliters. Enter any amount to convert it.
Q: Which units does this use?
A: The cup is the US customary cup (one sixteenth of a US gallon). Tablespoons, teaspoons, fluid ounces, pints, quarts and gallons marked US are US customary; the imperial fluid ounce, pint, quart and gallon are listed for UK recipes. No imperial tablespoon or teaspoon is offered, because neither has one official size.
Q: Can I convert the other way?
A: Yes. Swap the From and To boxes to convert milliliters to US customary cups.

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