Volume Converter
Convert between milliliters, liters, gallons, cups, fluid ounces, and other volume units.
The Volume Converter converts between metric and US customary volume units. Perfect for cooking, science, and liquid measurements of all kinds.
Supported Units
- Metric: Milliliters (mL), Liters (L), Cubic meters (m³)
- US Customary: Teaspoons (tsp), Tablespoons (tbsp), Fluid ounces (fl oz), Cups, Pints (pt), Gallons (gal)
Key Conversion Factors
1 liter = 33.814 US fluid ounces = 4.22675 US cups. 1 US gallon = 3.78541 liters = 128 fluid ounces. 1 cup = 8 fluid ounces = 236.6 mL. 1 tablespoon = 3 teaspoons = 14.79 mL.
Volume conversions are used daily in cooking and baking (especially converting between metric and US recipes), science, medicine, and fuel calculations. Note that this tool uses US customary units; UK imperial gallons and pints are slightly larger.
Frequently Asked Questions
Are these US or UK measurements?
These are US customary units. A US gallon is 3.785 liters, while a UK imperial gallon is 4.546 liters. US fluid ounces and cups also differ from their UK equivalents.
How many cups in a liter?
One liter equals approximately 4.227 US cups. Conversely, one US cup equals about 236.6 milliliters.
How do I convert recipe measurements?
Use this tool to convert between cups, tablespoons, and milliliters. Remember: 1 cup = 16 tbsp = 48 tsp = 236.6 mL.