US gallons to Liters (gal to L)
Type a value in US gallons to get liters instantly. 5 gal = 18.9271 L.
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All units
Formula
liters = US gallons × 3.78541
For imperial (UK) gallons multiply by 4.54609 instead.
Example: 5 gal = 18.9271 L
gal to L chart
| US gallons (gal) | Liters (L) |
|---|---|
| 1 | 3.7854 |
| 2 | 7.5708 |
| 3 | 11.3562 |
| 5 | 18.9271 |
| 10 | 37.8541 |
| 12 | 45.4249 |
| 15 | 56.7812 |
| 20 | 75.7082 |
| 50 | 189.2706 |
| 100 | 378.5412 |
How to use US gallons to Liters
- Enter the number of US gallons.
- Read the result in liters — it updates as you type.
- Use the swap button to convert the other way.
Questions
How do I convert US gallons to liters?
Use the formula liters = US gallons × 3.78541. For example, 5 gal = 18.9271 L.
What is 1 US gallon in liters?
1 gal = 3.7854 L. For imperial (UK) gallons multiply by 4.54609 instead.