Adapt the units in a recipe.
Volume Converter
Convert US cups to milliliters, gallons to liters, and cubic meters to liters. US customary, Imperial and metric cup definitions are labeled separately.
Start here
Enter a value and select its original unit.
Browser-first
Measurements are calculated locally in your browser and are not uploaded or stored on a server.
Useful for
Adapt the units in a recipe
Common conversions
Use a decimal point, without thousands separators.
Conversion result1 US cup = 236.5882365 mL
Conversion factor: 1 US cup ≈ 236.5882365 mL
Results show up to 12 significant digits; calculations use unrounded values.
Show other units
Milliliters236.5882365 mL
Cubic centimeters236.5882365 cc
Cubic centimeters236.5882365 cm³
Liters0.2365882365 L
Cubic meters0.0002365882365 m³
US teaspoons48 US tsp
US tablespoons16 US tbsp
US fluid ounces8 US fl oz
US customary cups1 US cup
Metric cups (250 mL)0.946352946 250 mL cup
Japanese cooking cups (200 mL)1.1829411825 200 mL cup
Metric teaspoons (5 mL)47.3176473 5 mL tsp
Metric tablespoons (15 mL)15.7725491 15 mL tbsp
US liquid pints0.5 US pt
US liquid quarts0.25 US qt
US liquid gallons0.0625 US gal
Imperial gallons0.0520421365393 UK gal
Not sure which tool to use? Read the conversion guide
Back to tool Quick answer
Volume Converter: choose the correct liquid measure
Choose the exact measuring system. A US customary cup is about 236.588 mL; a metric cup is 250 mL. A recipe may instead round a cup to 240 mL, so check its notes.
This tool does not turn cups into grams: that requires ingredient density. US pints and quarts here are liquid measures, not dry measures.
Weight: Convert pounds to kilograms, ounces to grams, and metric tonnes to kilograms. Includes clearly labeled Taiwanese units and a copyable result.
About this tool
Convert US cups to milliliters, gallons to liters, and cubic meters to liters. US customary, Imperial and metric cup definitions are labeled separately.
Measurements are calculated locally in your browser and are not uploaded or stored on a server.
How to use it
- Enter a value and select its original unit.
- Choose the target unit or a common conversion preset.
- Read the result and conversion factor; swap units or copy the result as needed.
Common use cases
- Adapt the units in a recipe
- Check tank capacity already stated in volume units
- Compare US and Imperial liquid measures
How the conversion works
Choose the exact measuring system. A US customary cup is about 236.588 mL; a metric cup is 250 mL. A recipe may instead round a cup to 240 mL, so check its notes.
1 US liquid gallon = 3.785411784 L; 1 Imperial gallon = 4.54609 L.
Check before using the result
This tool does not turn cups into grams: that requires ingredient density. US pints and quarts here are liquid measures, not dry measures.
Reference sources
FAQ
Is a US gallon the same as a UK gallon?
No. Choose US liquid gallon or Imperial gallon explicitly; the Imperial gallon is larger.
How many mL are in a cup?
The US customary cup here is 236.5882365 mL. Other choices include a 250 mL metric cup and a 200 mL Japanese cooking cup.
Is a fluid ounce an ounce of weight?
No. A fluid ounce measures volume. Use Weight Converter for ordinary ounces and grams.