How to convert milliliters to us customary cups
Useful for recipes and package volumes when the intended cup is the US customary cup. CalcOS converts through the cubic meter and keeps the selected volume system explicit throughout the calculation.
Worked example: 250 mL = 1.05668820943 US cup.
Milliliters to US Customary Cups conversion table
| milliliter (mL) | US customary cup (US cup) |
|---|---|
| 1 | 0.00422675283773 |
| 2 | 0.00845350567546 |
| 5 | 0.0211337641887 |
| 10 | 0.0422675283773 |
| 25 | 0.105668820943 |
| 100 | 0.422675283773 |
Which gallon or cup does this page use?
This route uses the US customary cup. The unit selectors keep that variant visible. Imperial gallons, metric cups, legal nutrition cups, and other regional cooking measures are different quantities and must be selected or handled explicitly.
Volume is cubic length
A cubic meter is the volume of a cube one meter on each side. Liters and milliliters are exact decimal relationships to the cubic meter. US customary liquid units are defined through exact cubic-inch relationships.
Related volume conversions
- Liters to US Liquid Gallons Converter
- US Liquid Gallons to Liters Converter
- US Customary Cups to Milliliters Converter
Sources: BIPM SI Brochure and NIST Handbook 44, Appendix C. See the complete Volume Converter guide.