How to convert us gallons to liters
- Type the value in us gallons (gal) in the box above.
- The result in liters appears instantly, along with the same value in every other unit of volume.
- Press ⇄ to convert the other way.
Formula
liters = US gallons × 3.785411784. So 1 gal = 3.78541 L, and 5 gal = 18.9271 L.
Gallons to litres is used for fuel economy and tank capacity, water heaters, pools, aquariums and milk jugs. Multiply US gallons by 3.785411784. A 55-gallon drum holds 208 litres, and a 5-gallon water jug holds about 19 litres.
gal to L conversion chart
| US gallons | Liters |
|---|---|
| 0.5 gal | 1.89271 L |
| 1 gal | 3.78541 L |
| 2 gal | 7.57082 L |
| 3 gal | 11.3562 L |
| 5 gal | 18.9271 L |
| 10 gal | 37.8541 L |
| 12 gal | 45.4249 L |
| 15 gal | 56.7812 L |
| 20 gal | 75.7082 L |
| 50 gal | 189.271 L |
| 55 gal | 208.198 L |
| 100 gal | 378.541 L |
FAQ
How many liters are in a gallon?
A US gallon is 3.785 litres. An imperial (UK) gallon is 4.546 litres.
How do I convert gal to L?
Use liters = US gallons × 3.785411784. Or type the value above and the converter does it for you.
How do I convert L back to gal?
Multiply by 0.264172, or press the ⇄ button in the converter.