Volume Converter

Volume conversion is essential in cooking, chemistry, fuel measurement, and international trade. Our free volume converter supports metric SI units as well as both US customary and UK imperial volume units, since a US gallon and a UK gallon are different sizes.

Supported Volume Units

Metric: Cubic Meter (m³), Hectoliter (hL), Liter (L), Deciliter (dL), Centiliter (cL), Milliliter (mL), Cubic Centimeter (cm³). US Customary: US Gallon, US Quart, US Pint, US Cup, US Fluid Ounce, US Tablespoon, US Teaspoon. UK Imperial: UK Gallon, UK Quart, UK Pint, UK Fluid Ounce.

US vs UK Volume Units

A US gallon = 3.78541 liters. A UK (imperial) gallon = 4.54609 liters — about 20% larger. A US pint = 473 mL while a UK pint = 568 mL. This difference is important for fuel economy, brewing, and recipe conversion between US and British cookbooks.

Common Volume Conversions

1 liter = 0.264172 US gallons = 33.814 US fluid ounces. 1 US gallon = 3.78541 liters = 4 US quarts = 8 US pints. 1 US cup = 236.588 mL = 8 US fluid ounces. 1 US tablespoon = 14.7868 mL = 3 teaspoons.