gal to L
Convert Gallon to Liter
Convert Gallon to Liter instantly with the tool above. The conversion factor is 3.78541178, meaning 1 gallon equals 3.78541178 liters. Type any value and the result updates immediately — no ads, no page reloads, no clutter.
Type a number above. The result updates instantly — no buttons, no reloads.
1 Gallon = 3.78541178 liters
1 Liter = 0.26417205 gallons
Quick reference
Common gallons converted to liters at a glance.
| gal | L |
|---|---|
| 1 | 3.78541178 |
| 2 | 7.57082357 |
| 5 | 18.92705892 |
| 10 | 37.85411784 |
| 25 | 94.6352946 |
| 50 | 189.2705892 |
| 100 | 378.5411784 |
| 500 | 1,892.705892 |
| 1,000 | 3,785.411784 |
How to convert gallons to liters
To convert a value from gallons to liters, multiply the gallon value by 3.78541178 liters. For example, 10 gallons × that factor = 37.85411784 liters.
This gallon to liter converter runs entirely in your browser, so results appear instantly with no page reload, no advertisements and no sign-up.
Frequently asked questions
How many liters are in 1 gallon?+
1 gallon is equal to 3.78541178 liters.
How do you convert gallons to liters?+
To convert gallons to liters, multiply the gallon value by 3.78541178. For example, 10 gallons × 3.78541178 = 37.85411784 liters.
What is the formula to convert gallons to liters?+
Gallon → Liter: value × 3.78541178. Equivalently, 1 gallon = 3.78541178 liters.
Is this Gallon to Liter converter free to use?+
Yes. This gallon to liter converter is completely free, works instantly in your browser, and contains no advertisements, popups or sign-up.