Gallons to Liters Converter
Convert volume from US gallons to liters instantly. Useful for fuel, tanks, liquids, and volume comparisons.
Uses US liquid gallons. Enter a non-negative value.
Result will appear here.
| Reference | Value |
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Privacy: runs locally in your browser. No inputs are stored or transmitted.
How it works
Uses the standard conversion: 1 US gallon = 3.785411784 liters.
Formula: L = US gal × 3.785411784
Examples
- 1 US gal ≈ 3.7854 L
- 5 US gal ≈ 18.9271 L
- 10 US gal ≈ 37.8541 L
FAQ
- How do you convert gallons to liters?
Multiply US gallons by 3.785411784 to get liters.
- Does this use US gallons or UK gallons?
This tool uses US liquid gallons. UK imperial gallons are larger and need a different factor.
- Can I reverse the conversion?
Yes. Use the Reverse button to switch between gallons to liters and liters to gallons.
- Are my inputs stored?
No. All calculations run locally in your browser.