Authoritative definitions of the International System of Units and SI prefixes.
US cups to Millilitres
Convert cup to mL instantly, then review the formula, assumptions, and rounding guidance.
Conversion table
| cup | mL |
|---|---|
| 1 cup | 236.5882 mL |
| 2 cup | 473.1765 mL |
| 5 cup | 1,182.9412 mL |
| 10 cup | 2,365.8824 mL |
| 25 cup | 5,914.7059 mL |
| 50 cup | 11,829.4118 mL |
| 100 cup | 23,658.8237 mL |
Conversion chart
1 litre equals 1,000 millilitres.
US cups (cup) One us cups equals 0.2365882365 litre.
US cups is represented here using its modern SI definition or an internationally accepted relationship to an SI base unit.
1. Parse the value, including fractions.
2. Convert cup to litre.
3. Convert the base value to mL and apply your display precision.
Understand the result before using it
US cups to Millilitres converts a value measured in US cups (cup) into the equivalent value in Millilitres (mL). The numerical value changes because the size and definition of the selected unit changes; the underlying quantity does not.
The conversion follows the displayed unit relationship. Display rounding can hide additional digits, and measured inputs cannot become more accurate merely by changing units.
Formula, assumptions, and example
result = input × 0.2365882365 ÷ 0.001
Assumptions
- US cups and Millilitres represent the same volume quantity.
- The input is expressed in cup; the output is expressed in mL.
- The unit definitions and conventional relationship shown on this page apply.
1 cup = 236.5882365 mL. For another value, apply the same relationship and round only to the precision your source measurement supports.
Good uses
- Read a cup measurement in a document that expects mL.
- Compare a us cups value with a value reported in millilitres.
- Check the cup-to-mL arithmetic before copying the result into another calculation.
Common mistakes to avoid
- US gallons and imperial gallons are different units; select the one your source actually uses.
- Round the output to a precision justified by the original measurement.
- Verify safety-critical, regulated, laboratory, and contractual conversions against the controlling standard.
Sources and further reading
These references explain the underlying standards or provide authoritative context. Your own contract, institution, clinician, product documentation, local code, or governing standard may be the controlling source.
Guidance on unit names, symbols, conversions, and numerical presentation.
Questions about this calculation
How do I convert US cups to Millilitres?
result = input × 0.2365882365 ÷ 0.001 Using the displayed relationship, 1 cup equals 236.5882365 mL.
How many Millilitres are in one US cups?
One US cups is 236.5882365 Millilitres. The displayed digits may be rounded.
Can I reverse the cup to mL conversion?
Yes. Swap the source and target units in the converter. The reverse relationship converts mL back to cup.
Is the US cups to Millilitres result exact?
The conversion follows the displayed unit relationship. Display rounding can hide additional digits, and measured inputs cannot become more accurate merely by changing units.