Free Volume Converter Tool

Convert between 9 supported units including Liter, Milliliter, Cubic Meter with adjustable precision and a documented conversion methodology.

What this converter covers

Convert liquid and geometric volume between litres, millilitres, cubic metres, US liquid units, and Imperial gallons.

Worked example

1 Gallon (US liquid) = 3.785411784 Liter

Important unit notes

•US liquid gallons and Imperial gallons are different sizes.
•The US cup in this converter is the US customary cup, not the 240 mL US legal cup used for some nutrition labelling.

Conversion factors are maintained against documented standards and definitions. Some displayed decimals are rounded for readability.How accuracy is handled·Sources

Popular Volume conversions

Liter to Gallon (US liquid)Gallon (US liquid) to Liter

Supported units

Liter

Milliliter

Cubic Meter

Gallon (US liquid)

Quart (US liquid)

Pint (US liquid)

Cup (US customary)

Fluid Ounce (US)

Gallon (Imperial)

About this converter

This tool converts through a consistent base-unit relationship defined for the volume converter. It is designed for quick everyday use while preserving more internal precision than is normally useful to display.

Read the conversion methodology →

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