Convert US Gallons to Liters
Convert US Gallons (gal) to Liters (L) instantly. Enter a value below and the result updates live — accurate to 8 significant figures. 1 US Gallons = 3.7854118 Liters.
Numbers round to 8 significant figures — the underlying math is full-precision.
US Gallons to Liters formula
Multiply the US Gallons value by 3.7854118.
L = gal × 3.7854117839999994
US Gallons to Liters conversion table
| US Gallons (gal) | Liters (L) |
|---|---|
| 1 | 3.7854118 |
| 5 | 18.927059 |
| 10 | 37.854118 |
| 20 | 75.708236 |
| 50 | 189.27059 |
| 100 | 378.54118 |
| 500 | 1892.7059 |
| 1000 | 3785.4118 |
US Gallons to Liters — FAQ
What is 1 gal in L?
1 US Gallons (gal) equals 3.7854118 Liters (L). For example, 10 gal = 37.854118 L.
How do I convert US Gallons to Liters?
Multiply the US Gallons value by 3.7854118. Or simply type any value into the converter above and the Liters result updates instantly.
Is the US Gallons to Liters conversion accurate?
Yes. The conversion uses the exact internationally-defined factor: 1 gal = 3.7854117839999994 L. Results are shown to 8 significant figures.
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