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Cups to mL Converter

Convert cups to milliliters using US, metric, or imperial cup measurements.

What this tool does

Convert cups to milliliters using US, metric, or imperial cup measurements. Type an amount in US customary cups, choose the units, and the tool converts it to milliliters. It offers 4 volume units and also shows the same amount in the others.

Inputs

  • Value: A number.
  • From: Choose one: US customary cup, Metric cup (250 mL), Imperial cup (half imperial pint), Milliliter. Starts as US customary cup.
  • To: Choose one of the same 4 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: It shows three different cups: the US customary cup, the metric cup (exactly 250 mL), and the imperial cup (half an imperial pint). Choose the one your recipe uses.
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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