How many liters are in a US gallon?
One US liquid gallon is approximately 3.78541 liters.
Detailed answer
The US liquid gallon is defined as 231 cubic inches and equals exactly 3.785411784 liters in the modern definition used here. Multiply gallons by that factor to get liters; divide liters by it to get gallons.
Relationship context
US gallons are US customary fluid measure; liters are metric. Fuel economy, recipes, and container sizes often need conversion between them.
Quick conversion table
| Gallon (US) (gal) | Liter (l) |
|---|---|
| 0.1 | 0.378541178 |
| 1 | 3.78541178 |
| 2 | 7.57082356 |
| 3 | 11.35623534 |
| 4 | 15.14164712 |
| 5 | 18.9270589 |
| 6 | 22.71247068 |
| 7 | 26.49788246 |
| 8 | 30.28329424 |
| 9 | 34.06870602 |
| Gallon (US) (gal) | Liter (l) |
|---|---|
| 10 | 37.8541178 |
| 20 | 75.7082356 |
| 30 | 113.5623534 |
| 40 | 151.4164712 |
| 50 | 189.270589 |
| 60 | 227.1247068 |
| 70 | 264.9788246 |
| 80 | 302.8329424 |
| 90 | 340.6870602 |
| 100 | 378.541178 |
More Gallons (US) converters
Dedicated pages from Gallon (US) to every other hub volume unit (liter, cubic meter, US gallon, US fluid ounce, cubic foot, US tablespoon, US teaspoon, cubic inch).
- us-gallon to liter (Gallon (US) to Liter)
- us-gallon to cubic-meter (Gallon (US) to Cubic Meter)
- us-gallon to us-fluid-ounce (Gallon (US) to Fluid Ounce (US))
- us-gallon to cubic-ft (Gallon (US) to Cubic Feet)
- us-gallon to us-tablespoon (Gallon (US) to Tablespoon (US))
- us-gallon to us-teaspoon (Gallon (US) to Teaspoon (US))
- us-gallon to cubic-inch (Gallon (US) to Cubic Inches)