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Volume & Capacity

Cups to Milliliters

Convert cup to mL quickly with this free online calculator. The page explains the conversion rule, gives practical examples and provides a quick reference table.

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CONVERTED RESULT—
Decimal places
CONVERSION RULE

1 cup equals approximately 236.588 mL.

How to use the Cups to Milliliters

  1. Enter the number you want to convert.
  2. Confirm the source unit shown beside the input.
  3. Choose decimal precision if you need more or less detail.
  4. Read the converted result.
  5. Copy the result when you need to use it elsewhere.

How the conversion works

1 cup equals approximately 236.588 mL.

For a simple fixed-factor conversion, the calculator multiplies the entered value by the stated factor. Temperature scales and certain specialized tools use their specific mathematical relationship instead.

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Common cup to mL conversions

cupmL
1 cup236.588236 mL
2 cup473.176473 mL
5 cup1,182.941182 mL
10 cup2,365.882365 mL
20 cup4,731.76473 mL
50 cup11,829.411825 mL

Example

For example, entering 1 cup gives approximately 236.588236 mL using the rule above. Change the input to test your own value.

Frequently asked questions

The Cups to Milliliters converts a value from cup to mL using the conversion relationship described on this page.
Enter your value, review the source and destination units, choose the decimal precision and read or copy the result.
1 cup equals approximately 236.588 mL.
Use enough precision for your purpose. Everyday estimates usually need fewer decimal places; technical work may require more.
It can be a useful reference calculation, but safety-critical, regulated, contractual or specialized work should be verified against the applicable authoritative standard.

Accuracy note: This calculator is a practical reference. For regulated, safety-critical or specialized work, verify the result against the applicable standard.

Page reviewed: August 24, 2026.