US gallons to liters (gal to L)
One US gallon is exactly 3.785411784 liters. A typical 15 gallon car tank is 56.8 L, and the classic 55 gallon drum holds 208 L. For imperial (UK) gallons, multiply by 4.546 instead.
gal to L conversion table
| US gallons (gal) | Liters (L) |
|---|---|
| 1 | 3.79 |
| 2 | 7.57 |
| 5 | 18.93 |
| 10 | 37.85 |
| 13 | 49.21 |
| 15 | 56.78 |
| 20 | 75.71 |
| 25 | 94.64 |
| 55 | 208.2 |
How to convert US gallons to liters
The formula is liters = gallons x 3.78541. Type any value into the converter above for
an exact result, or use the table for the most common conversions. For other units, the
full volume converter handles every combination, and
the unit converter covers length, weight, temperature,
speed, area, volume and data in one place.
Frequently asked questions
How many liters are in 1 US gallon?
1 gal = 3.78541 L. The formula is liters = gallons x 3.78541; the converter applies it to whatever you type and rounds only for display.
What is 13 gal in L?
13 gal = 49.21 L, using liters = gallons x 3.78541.
How do I convert liters back to US gallons?
Use gallons = liters ÷ 3.78541. For example, 20 L = 5.283 gal. The L to gal converter does this for you.