A cup is not universal
This page uses a US cup. A metric cup is commonly 250 mL, and other regional definitions also exist.
Unit converter
mL to Cups Converter
Convert millilitres to US cups instantly. Recipe volume, not ingredient weight. See the formula, worked examples and practical reference values.
How to convert mL to US cup
Millilitres to US cups is useful for adapting recipes. It converts volume only; ingredient weight still depends on density.
Formula: US cup = mL × 0.004227
Reverse formula: mL = US cup × 236.588237
Worked example
1 mL = 0.004227 US cup
- = 0.001 L
- = 0.033814 US fl oz
- = 0.000264 US gal
Avoid these errors
Common mistakes
Volume does not determine grams
Converting cups to ingredient weight requires a reliable density for the specific ingredient.
Useful for: Metric recipe volumes converted specifically to US cups.
Common mL to US cup conversions
| millilitres | US cups |
|---|---|
| 1 mL | 0.004227 US cup |
| 5 mL | 0.021134 US cup |
| 15 mL | 0.063401 US cup |
| 30 mL | 0.126803 US cup |
| 50 mL | 0.211338 US cup |
| 100 mL | 0.422675 US cup |
| 125 mL | 0.528344 US cup |
| 250 mL | 1.056688 US cup |
| 500 mL | 2.113376 US cup |
| 1,000 mL | 4.226753 US cup |
About the units
A millilitre is a metric unit represented by mL. A US cup is an US customary unit represented by US cup. Calculations use the same authoritative registry as the full volume converter, retaining full precision until display.
Sources and definitions
NIST — SI units and conversion guidance
Conversion constants come from the shared EzyCalculator unit registry. See how calculations are reviewed and tested.