Gallons (US) to Liters Converter (gal to L)
Type a value in US gallons to see it in liters instantly.
1 US gallon (gal) = 3.78541178 liters (L)
1 liter (L) = 0.264172052 US gallons (gal)
How to convert US gallons to liters
Multiply the number of US gallons by 3.78541178.
L = gal × 3.78541178
Example: 5 gal × 3.78541178 = 18.9271 L
A 55-gallon drum holds 208.2 liters. For UK gallons, multiply by 4.54609 instead of 3.785411784.
gal to L conversion table
| Gallons (US) (gal) | Liters (L) |
|---|---|
| 0.5 gal | 1.89271 L |
| 1 gal | 3.78541 L |
| 2 gal | 7.57082 L |
| 3 gal | 11.3562 L |
| 4 gal | 15.1416 L |
| 5 gal | 18.9271 L |
| 6 gal | 22.7125 L |
| 7 gal | 26.4979 L |
| 8 gal | 30.2833 L |
| 10 gal | 37.8541 L |
| 12 gal | 45.4249 L |
| 15 gal | 56.7812 L |
| 20 gal | 75.7082 L |
| 25 gal | 94.6353 L |
| 30 gal | 113.562 L |
| 40 gal | 151.416 L |
| 50 gal | 189.271 L |
| 55 gal | 208.198 L |
| 100 gal | 378.541 L |
About the units
US gallon (gal)
The US liquid gallon is defined as 231 cubic inches, exactly 3.785411784 liters. The UK (imperial) gallon is larger, at 4.54609 liters.
Liter (L)
A liter (litre) is the volume of a 10 cm cube, or 1,000 cubic centimeters. Drinks, fuel and engine capacity are sold by the liter in most of the world.
Frequently asked questions
How many liters are in 1 US gallon?
1 US gallon equals 3.78541178 liters.
How do I convert US gallons to liters?
Multiply the number of US gallons by 3.78541178. For example, 5 gal × 3.78541178 = 18.9271 L.
How many US gallons are in 1 liter?
1 liter equals 0.264172052 US gallons.
How many liters are in a gallon?
A US gallon is exactly 3.785411784 liters (about 3.79 L). An imperial gallon is 4.54609 liters.
Related conversions
- L to galLiters to Gallons (US)
- mL to cupMilliliters to Cups (US)
- cup to mLCups (US) to Milliliters
- mL to fl ozMilliliters to Fluid Ounces (US)
Background reading: Cooking Conversions.