Gallons to Liters
Convert Gallons to Liters with an exact factor. One gallon equals 3.78541178 Liters.
Result3.78541178
How to convert Gallons to Liters
The converter above changes Gallons into Liters instantly. As a reference point, one gallon corresponds to 3.78541178 Liters, and one liter corresponds to 0.26417205 Gallons. Use the table below for common values.
Gallons × 3.78541178 = Liters
For example, 5 Gallons = 18.92705892 Liters.
About the units
- Gallons (gal) — A US gallon, 3.785 litres (four quarts).
- Liters (L) — One cubic decimetre; the everyday metric volume unit.
Gallons to Liters conversion table
| Gallons | Liters |
|---|---|
| 1 gal | 3.78541178 L |
| 2 gal | 7.57082357 L |
| 3 gal | 11.35623535 L |
| 4 gal | 15.14164714 L |
| 5 gal | 18.92705892 L |
| 10 gal | 37.85411784 L |
| 15 gal | 56.78117676 L |
| 20 gal | 75.70823568 L |
| 25 gal | 94.6352946 L |
| 50 gal | 189.2705892 L |
| 100 gal | 378.5411784 L |
| 500 gal | 1,892.705892 L |
Liters to Gallons conversion table
| Liters | Gallons |
|---|---|
| 1 L | 0.26417205 gal |
| 2 L | 0.5283441 gal |
| 3 L | 0.79251616 gal |
| 4 L | 1.05668821 gal |
| 5 L | 1.32086026 gal |
| 10 L | 2.64172052 gal |
| 15 L | 3.96258079 gal |
| 20 L | 5.28344105 gal |
| 25 L | 6.60430131 gal |
| 50 L | 13.20860262 gal |
| 100 L | 26.41720524 gal |
| 500 L | 132.08602618 gal |
Frequently asked questions
How many Liters is one gallon?
One gallon is 3.78541178 Liters.
Are these volume conversions accurate?
Yes. They use the exact standard unit definitions, so results are accurate to the number of decimals shown.
What is the formula to convert Gallons to Liters?
Multiply the number of Gallons by 3.78541178. To convert back, multiply Liters by 0.26417205.
This tool is provided for general information only. Verify important figures independently. · Last reviewed: August 25, 2026