US gallons to Litres
Type a value in US gallons and get the result in Litres, calculated exactly.
10 US gallons = 37.85411784 Litres
Precision
Exact factorThis result is exact.
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Formula
L = gal (US) × 3.785411784
To convert US gallons to Litres, multiply the value by 3.785411784.
Worked examples
- 1 gal (US) × 3.785411784 = 3.785411784 L
- 10 gal (US) × 3.785411784 = 37.85411784 L
- 100 gal (US) × 3.785411784 = 378.5411784 L
This factor is exact by definition.
Conversion table
| US gallons (gal (US)) | Litres (L) |
|---|---|
| 1 | 3.785411784 |
| 2 | 7.570823568 |
| 3 | 11.356235352 |
| 4 | 15.141647136 |
| 5 | 18.92705892 |
| 6 | 22.712470704 |
| 7 | 26.497882488 |
| 8 | 30.283294272 |
| 9 | 34.068706056 |
| 10 | 37.85411784 |
| 15 | 56.78117676 |
| 20 | 75.70823568 |
| 25 | 94.6352946 |
| 30 | 113.56235352 |
| 40 | 151.41647136 |
| 50 | 189.2705892 |
| 60 | 227.12470704 |
| 70 | 264.97882488 |
| 75 | 283.9058838 |
| 80 | 302.83294272 |
| 90 | 340.68706056 |
| 100 | 378.5411784 |
Values marked ≈ are rounded; the rest are exact.
Reverse table: Litres to US gallons
| Litres (L) | US gallons (gal (US)) |
|---|---|
| 1 | ≈ 0.2641721 |
| 2 | ≈ 0.5283441 |
| 3 | ≈ 0.7925162 |
| 4 | ≈ 1.056688 |
| 5 | ≈ 1.32086 |
| 6 | ≈ 1.585032 |
| 7 | ≈ 1.849204 |
| 8 | ≈ 2.113376 |
| 9 | ≈ 2.377548 |
| 10 | ≈ 2.641721 |
| 15 | ≈ 3.962581 |
| 20 | ≈ 5.283441 |
| 25 | ≈ 6.604301 |
| 30 | ≈ 7.925162 |
| 40 | ≈ 10.56688 |
| 50 | ≈ 13.2086 |
| 60 | ≈ 15.85032 |
| 70 | ≈ 18.49204 |
| 75 | ≈ 19.8129 |
| 80 | ≈ 21.13376 |
| 90 | ≈ 23.77548 |
| 100 | ≈ 26.41721 |
Unit definitions
- US gallons gal (US)
- Exactly 231 cubic inches, or 3.785411784 litres.
- Litres L
- Exactly one cubic decimetre, or 0.001 cubic metres.
Questions people ask
US gallons to Litres: what is the conversion factor?
One gal (US) is 3.785411784 L.
How do I convert US gallons to Litres?
Use the formula above. For example, 10 gal (US) = 37.85411784 L.
Is the conversion exact?
Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.
Factors checked 19 October 2026.