Convert US gallons to liters
1 gal = 3.785412 L. Change the amount below, or read the formula and the reference table further down.
1 US gallon equals
liters
1 gal = 3.785412 L
The formula
US gallons and liters both measure volume from the same zero, so a single multiplier does the job.
L = gal × 3.78541178
Going the other way? Convert liters to US gallons.
US gallons to liters table
Common values, rounded for reading.
| US gallons (gal) | Liters (L) |
|---|---|
| 1 | 3.7854 |
| 2 | 7.5708 |
| 3 | 11.3562 |
| 4 | 15.1416 |
| 5 | 18.9271 |
| 6 | 22.7125 |
| 7 | 26.4979 |
| 8 | 30.2833 |
| 9 | 34.0687 |
| 10 | 37.8541 |
| 15 | 56.7812 |
| 20 | 75.7082 |
| 25 | 94.6353 |
| 30 | 113.56 |
| 40 | 151.42 |
| 50 | 189.27 |
| 75 | 283.91 |
| 100 | 378.54 |
| 250 | 946.35 |
| 500 | 1,892.71 |
| 1,000 | 3,785.41 |
Questions people ask
- How many liters are in a US gallon?
- One US gallon equals 3.78541178 liters.
- How do I convert US gallons to liters by hand?
- Multiply the number of US gallons by 3.78541178. For a rough check, 3.8 is close enough for most everyday use.
- What is 1 US gallon in liters?
- 1 US gallon is 3.785412 liters.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.