US gallons to Liters
Convert us gallons to liters instantly. The formula is L = gal × 3.78541178, and the reference table below covers the values people look up most.
1 gal equals
3.7854 L
L = gal × 3.78541178
Formula
L = gal × 3.78541178
US gallons to Liters table
| US gallons | Liters |
|---|---|
| 1 gal | 3.7854 L |
| 2 gal | 7.5708 L |
| 3 gal | 11.3562 L |
| 5 gal | 18.9271 L |
| 10 gal | 37.8541 L |
| 15 gal | 56.7812 L |
| 20 gal | 75.7082 L |
| 25 gal | 94.6353 L |
| 30 gal | 113.5624 L |
| 50 gal | 189.2706 L |
| 100 gal | 378.5412 L |
Frequently asked questions
How many liters are in a us gallon?
One us gallon equals 3.7854 liters. The conversion is a single multiplication, so 10 gal is 37.8541 L.
What is the formula to convert us gallons to liters?
L = gal × 3.78541178. Enter any value above and the result updates as you type, with no rounding until the final display.
How do I convert liters back to us gallons?
Use the reverse conversion: divide instead of multiplying, or open the liters to us gallons page for the same tool the other way round.
Is this us gallons to liters conversion exact?
The underlying factor is the internationally defined one, so the only rounding happens when the result is displayed. The table below shows values rounded to 4 decimal places.