- +Free. No sign-up.
- +No limits.
- +Your data stays on your device.
- +Exact factors from NIST.
Formula
To convert gallons to liters, multiply the number by 3.785411784.
To go the other way, multiply liters by 0.2641720524.
Example
Example: convert 12 gal to L.
12 × 3.785411784 = 45.4249. So 12 gal is 45.4249 L.
Common values
gallons to liters| gal | L |
|---|
| 0.25 gal | 0.946353 L |
|---|
| 0.5 gal | 1.89271 L |
|---|
| 1 gal | 3.78541 L |
|---|
| 2 gal | 7.57082 L |
|---|
| 3 gal | 11.3562 L |
|---|
| 4 gal | 15.1416 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 | 113.562 L |
|---|
| 50 gal | 189.271 L |
|---|
Fuel tank sizes in US gallons and liters
Sizes of the fuel tank of a car.
Fuel tank sizes in US gallons and liters| gal | L |
|---|
| 10 gal | 37.8541 L |
|---|
| 12 gal | 45.4249 L |
|---|
| 14 gal | 52.9958 L |
|---|
| 16 gal | 60.5666 L |
|---|
| 18 gal | 68.1374 L |
|---|
| 20 gal | 75.7082 L |
|---|
| 24 gal | 90.8499 L |
|---|
About gallons and liters
This page uses the US gallon. One US gallon is exactly 3.785411784 liters.
The imperial gallon is larger: 4.54609 liters. To use it, choose Volume in the converter and pick imp gal.
How to use it
- Type your number in the box.
- Check that From is gallons and To is liters.
- Read the result. It changes as you type.
- Press Swap to convert the other way.
Questions
How many liters are in 1 gallon?
1 gallon is 3.785411784 liters.
How do I convert gallons to liters?
To convert gallons to liters, multiply the number by 3.785411784. To go the other way, multiply liters by 0.2641720524.
How many liters are in a gallon?
There are exactly 3.785411784 liters in 1 US gallon.
How many liters are in half a gallon?
Half a US gallon is 1.89271 liters.