US gallons to Liters

Convert US gallons to liters. Live result, plus a quick-reference table for common values.

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⇆ Convert Liters to US gallons instead

Frequently asked questions

How do I convert US gallons to liters?

Multiply the US gallon value by 3.78541. So 1 US gallon = 3.78541 L, and the calculator above does it instantly for any number.

How many liters are in a US gallon?

There are 3.78541 liters in one US gallon. The reference table shows the conversion for common values.

Is this gal to L converter free?

Yes, completely free, no sign-up, and it runs entirely in your browser, so nothing is uploaded.