How to use this tool
- Type a value in gallons — it's pre-selected above.
- Read the converted liters value instantly, or use the reference table below for common values at a glance.
- Click the ⇄ button to flip the conversion direction.
Gallons to Liters reference table
| gal | L |
|---|---|
| 1 | 3.78541 |
| 2 | 7.57082 |
| 5 | 18.92705 |
| 10 | 37.8541 |
| 15 | 56.78115 |
| 20 | 75.7082 |
| 55 | 208.19755 |
Frequently asked questions
- How many liters in 1 gallon?
- 1 gal = 3.78541 L.
- How many gallons in 1 liter?
- 1 L = 0.264172 gal.
- Where does converting gallons to liters actually come up?
- Common for converting a US fuel tank size, paint can, or container volume into liters.
Every conversion runs locally in your browser — nothing is sent anywhere.