US Gallon to Liter Converter
Convert US Gallon (gal) to Liter (L) instantly. Free online volume conversion tool.
1 gal
3.78541 L
1 L = 0.264172 gal
US Gallon to Liter Conversion Table
| US Gallon (gal) | Liter (L) |
|---|---|
| 1 gal | 3.7854 L |
| 5 gal | 18.9271 L |
| 10 gal | 37.8541 L |
| 25 gal | 94.6352 L |
| 50 gal | 189.2705 L |
| 100 gal | 378.541 L |
| 250 gal | 946.3525 L |
| 500 gal | 1892.705 L |
| 1000 gal | 3785.41 L |
How to Convert US Gallon to Liter
To convert US Gallon (gal) to Liter (L), multiply the value by the conversion factor. 1 gal = 3.78541 L.
Use our free online converter above for instant, accurate results. No signup required.
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US Gallon to Liter — FAQ
How accurate is the US Gallon to Liter conversion?
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The conversion uses an exact or high-precision factor sourced from international standards (BIPM/NIST). Results are computed with 64-bit floating-point arithmetic and displayed to up to 10 significant figures to minimize rounding errors for all practical purposes.
Can I convert multiple values at once?
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The conversion table above shows common values automatically. For bulk conversions, use the interactive volume converter where you can type any value and see the result instantly. The converter supports all units in the volume category, not just gal and L.
Is this converter free to use?
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Yes. This converter is completely free with no account or sign-up required. It runs entirely in your browser and works on desktop, tablet, and mobile devices.
Where does the conversion factor between gal and L come from?
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Conversion factors are sourced from definitions published by the International Bureau of Weights and Measures (BIPM) and the US National Institute of Standards and Technology (NIST). Many factors are exact treaty definitions, such as the inch being defined as exactly 2.54 centimeters.
What other volume units can I convert?
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The Volume converter supports all common units in this category. Use the interactive converter to explore all available units and switch between any pair instantly.