Conversion
Us Gallons to liters
1 US gal = 3.78541 L, derived from exact unit definitions.
—
Swap ⇆| US gal | L |
|---|---|
| 1 US gal | 3.79 L |
| 5 US gal | 18.93 L |
| 10 US gal | 37.85 L |
| 55 US gal | 208.20 L |
| 100 US gal | 378.54 L |
| 275 US gal | 1,040.99 L |
| 500 US gal | 1,892.71 L |
| 1,000 US gal | 3,785.41 L |
Formula
liters = US gallons × 3.785411784FAQ
How many liters in a US gallon?
1 US gal = 3.78541 L. Multiply your US gallons value by 3.78541.
Is this exact?
Yes — these factors derive from exact definitions: 1 US gallon = 231 cubic inches, 1 imperial gallon = 4.54609 liters, 1 inch = 2.54 cm, 1 barrel = 42 US gallons.
Why do tank specs mix US gallons and liters?
US tank trade uses gallons and inches; engineering drawings and international suppliers use metric or cubic measures. This page bridges them without rounding drift.