What is the Gallons to Liters Converter?
Convert US gallons to litres instantly, with the conversion factor and a table of other units.
Results update as you type, and nothing you enter leaves your device.
How it is calculated
litres = US gallons × 3.7854
How to use it
- Fill in the fields at the top of the page.
- Read the result in the results panel. It updates as you type.
- Change any value to compare scenarios, or use Share to send the result as a link.
Common questions
How do I convert US gallons to litres?
Multiply the value in US gallons by 3.7854. For example, 10 US gallons = 37.8541 litres.
How do I convert litres back to US gallons?
Divide by 3.7854, or press the swap button between the two unit boxes.
What formula does the Gallons to Liters Converter use?
It uses: litres = US gallons × 3.7854.
Is the Gallons to Liters Converter free, and is my data stored?
It is free with no sign-up. The calculation runs in your browser, so the values you enter are not sent to or stored on our server.