Gallon (US liquid) to Liter Converter
1 US gallon is exactly 3.785411784 liters. Convert US gallons (gal) to liters (L) below: type a value and the result updates as you type.
gal to L calculator
Result
Gallon (US liquid) to Liter conversion
1 gal = 3.785411784 Lone US gallon in liters
1 L ≈ 0.2641720524 galone liter in US gallons
Gallon (US liquid) (gal): Exactly 231 cubic inches (3.785411784 liters).
Liter (L): Exactly one cubic decimeter (0.001 cubic meters).
Source:Gallon (US liquid): NIST Special Publication 811 (2008), Appendix B.8 (US liquid measures derive from the exact 231 cubic inch gallon); Liter: SI Brochure, 9th edition (BIPM, 2019)
How to convert US gallons to liters
To convert US gallons to liters, multiply the number of US gallons by 3.785411784.
Formula
L = gal × 3.785411784
Examples
- 5 gal = 5 × 3.785411784 = 18.92705892 L
- 25 gal = 25 × 3.785411784 = 94.6352946 L
- 100 gal = 100 × 3.785411784 = 378.5411784 L
Gallon (US liquid) to Liter conversion table
| Gallon (US liquid) (gal) | Liter (L) |
|---|---|
| 0.1 gal | 0.3785411784 L |
| 0.5 gal | 1.892705892 L |
| 1 gal | 3.785411784 L |
| 2 gal | 7.570823568 L |
| 3 gal | 11.356235352 L |
| 5 gal | 18.92705892 L |
| 10 gal | 37.85411784 L |
| 20 gal | 75.70823568 L |
| 25 gal | 94.6352946 L |
| 50 gal | 189.2705892 L |
| 100 gal | 378.5411784 L |
| 250 gal | 946.352946 L |
| 500 gal | 1892.705892 L |
| 1000 gal | 3785.411784 L |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many liters are in one US gallon?
- One US gallon is exactly 3.785411784 liters.
- How do I convert liters to US gallons?
- To convert liters to US gallons, divide the number of liters by 3.785411784. The formula is gal = L ÷ 3.785411784.
- Is this conversion exact?
- Yes. Both units have exact definitions and the factor 3.785411784 is exact. Displayed results are only rounded when they have many decimal places.
- Which is larger, a US gallon or a liter?
- A US gallon is 3.785411784 times larger than a liter. In other words, a liter is about 0.2641720524 of a US gallon.