Gallons to Liters Converter — US Liquid
Convert US liquid gallons to litres. The source unit matters: this gallon is not the imperial gallon used in some other contexts.
- Runs in your browser
- Nothing is uploaded
- No signup; device limits apply
Numbers stay on your device. Nothing is sent to a server.
How to use this tool
Enter the volume and choose US gallons to Litres. Use a liquid volume, not its weight or the price paid for the liquid.
Results and examples
The stored factor is 3.785411784 litres per US gallon. Two gallons display as approximately 7.57082357 litres; the eight-decimal display rounds the final digit while retaining the conversion factor internally.
Limitations
- Imperial and dry gallons are not provided.
- There is no density input for conversion to kilograms or pounds.
Fields
| Field | Guidance and constraints |
|---|---|
| Value | Accepted range: -1000000000000–1000000000000 · Input step: 0.001 |
| From | Litres / Millilitres / US gallons / US quarts / US pints |
| To | Litres / Millilitres / US gallons / US quarts / US pints |
Data handling
Processing stays in the current browser tab; the site does not upload tool input for the calculation itself.
Sources
Frequently asked questions
Does gal mean an imperial gallon?
No. It means a US liquid gallon in this tool.
Can I use quarts?
Yes. The same dropdowns include US liquid quarts and pints.
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