1 liter to US gallons
1 liter = 0.2642 US gallons
Formula: US gallons = liters x 0.2642
One liter is the standard metric unit for bottled drinks and fuel, and Americans frequently convert it to US gallons to compare it with the volumes on their own packaging and pumps.
How to Convert liters to US gallons
Liters and US gallons relate through an exact definition: one US gallon is exactly 231 cubic inches, which equals exactly 3.785411784 liters. So one liter is about 0.2641720524 US gallons, the reciprocal of that exact figure.
The formula is US gallons = liters x 0.2642. Multiply your value by the factor: 1 x 0.2642 = 0.2642 US gallons.
The reverse is just as direct: 0.2642 US gallons equals 1 liter. That symmetry is a quick way to sanity-check any conversion you make.
liters to US gallons Conversion Table
Use this table to read off nearby values at a glance. The highlighted row is the 1-liters conversion from this page.
| liters | US gallons |
|---|---|
| 1 | 0.2642 |
| 2 | 0.5283 |
| 3 | 0.7925 |
| 4 | 1.0567 |
| 5 | 1.3209 |
| 6 | 1.585 |
| 7 | 1.8492 |
| 8 | 2.1134 |
| 9 | 2.3775 |
| 10 | 2.6417 |
Reverse: US gallons to liters
Need to go the other way? 0.2642 US gallons converts back to 1 liter. For the full breakdown in that direction, see 1 US gallon to liters.
Frequently Asked Questions
What is 1 liter in US gallons?
That comes to 0.2642 US gallons, based on the US liquid gallon of exactly 231 cubic inches, or 3.785411784 liters.
Is this a US gallon or a UK imperial gallon?
It is the US liquid gallon here. Because the UK imperial gallon is bigger at roughly 4.546 liters, a British measurement gives a different result, so confirm which gallon your source means.
How do I convert 0.2642 US gallons back to liters?
Reverse it and you return to 1 liter. The unit conversion calculator linked below switches between liters and gallons for any value.
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Disclaimer: This calculator is for informational and educational purposes only. Results are estimates and may not reflect exact values.
Last updated: June 13, 2026