Volume converter

litres, m³, US and UK gallons, ft³ and more.

Calculating…

How it's calculated

All units are converted through the SI base unit.

Useful for oil, coolant and tank capacities. 1 US gallon = 3.785 L; 1 UK gallon = 4.546 L; 1 oil barrel = 42 US gallons (159 L).