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Volume Converter

Convert volume instantly between liters, gallons, milliliters, cups, fluid ounces, and cubic meters.

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1 Liters equals

0 US Gallons

Mathematical Model Formula1 US gallon = 3.785411784 liters. 1 liter = 1,000 milliliters.

A volume converter helps you switch between metric and US customary volume units — useful for cooking, fuel, and liquid measurements.

How many liters are in a gallon?

One US gallon equals approximately 3.785 liters. Note that a UK (imperial) gallon is larger, at about 4.546 liters.

How many mL are in a cup?

One US cup equals approximately 236.588 milliliters.

Does this use US or UK gallons?

This calculator uses the US liquid gallon (3.785411784 liters) by default, the standard used in American recipes and fuel measurements.

Convert cooking measurements between cups, tablespoons, teaspoons, milliliters, and grams for common ingredients.

Convert density instantly between kilograms per cubic meter, grams per cubic centimeter, and pounds per cubic foot.

Convert between imperial and metric units for length, weight, area, volume, and temperature.