Gallons to Liters Converter
Convert gallons (gal) to liters (L) instantly. 1 gallon (US) = 3.7854 liters.
How to convert gallons to liters
L = gal × 3.7854
To convert gallons to liters, multiply the volume value by 3.7854. One gallon (US) (gal) is equal to 3.7854 liters (L). For quick everyday conversions, the interactive converter above gives you the exact result as you type — no rounding surprises.
Gallons to Liters conversion table
| Gallons (gal) | Liters (L) |
|---|---|
| 1 gal | 3.7854 L |
| 2 gal | 7.5708 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 |
| 9 gal | 34.0687 L |
| 10 gal | 37.8541 L |
| 15 gal | 56.7812 L |
| 20 gal | 75.7082 L |
| 25 gal | 94.6353 L |
| 50 gal | 189.2706 L |
| 100 gal | 378.5412 L |
Frequently asked questions
How many liters are in 1 gallon (US)?
1 gallon (US) equals 3.7854 liters.
How do I convert gallons to liters?
Multiply the number of gallons by 3.7854. For example, 8 gal × 3.7854 = 30.2833 L.
What is 8 gallons in liters?
8 gallons is equal to 30.2833 liters.
Can I convert liters back to gallons?
Yes — use our Liters to Gallons converter, or divide by 3.7854.