Direct answer
One liter is approximately 0.264172 US gallon
1 liter ≈ 0.264172 US liquid gallon. This means one liter is slightly more than one-quarter of a US gallon.
In the opposite direction, one US liquid gallon equals exactly 3.785411784 liters.
Multiply any liter value by 0.2641720524 to calculate its approximate volume in US gallons.
Enter any positive whole or decimal volume.
Exact definition
The relationship between liters and US gallons
This liter relationship is exact.
The gallon value is shown as an approximation because the decimal continues beyond the displayed digits.
Since a US gallon is larger than a liter, fewer than one gallon fits into one liter.
Visualizing the volume
Is one liter one-quarter of a gallon?
One liter is close to one-quarter of a US gallon, but it is slightly larger.
Equals approximately 0.946353 liter
Slightly more than one-quarter gallon
Approximately 1.81 US fluid ounces
Treating one liter as exactly one-quarter gallon can be useful for a very rough estimate, but it creates a noticeable difference when several liters are involved.
US volume equivalents
One liter in quarts, pints, cups, and fluid ounces
| US volume unit | Equivalent to 1 liter |
|---|---|
| US liquid gallons | 0.264172 US gal |
| US liquid quarts | 1.05669 US qt |
| US liquid pints | 2.11338 US pt |
| US customary cups | 4.22675 US cups |
| US fluid ounces | 33.8140 US fl oz |
US fluid ounces are not the same as weight ounces.
Scaling the relationship
How many gallons are in multiple liters?
Two liters
Two liters is slightly more than one-half US gallon.
Four liters
Four liters is slightly more than one US gallon.
Ten liters
Ten liters equals approximately 2.64172 US gallons.
Twenty liters
Twenty liters equals approximately 5.28344 US gallons.
Reference values
Liters in US gallons
| Liters | US gallons | General comparison |
|---|---|---|
| 0.5 L | 0.132086 US gal | About one-eighth gallon |
| 1 L | 0.264172 US gal | More than one-quarter gallon |
| 2 L | 0.528344 US gal | More than one-half gallon |
| 3 L | 0.792516 US gal | Less than one gallon |
| 3.785411784 L | 1 US gal | Exactly one US gallon |
| 4 L | 1.056688 US gal | Slightly more than one gallon |
| 5 L | 1.320860 US gal | About 1.32 gallons |
| 10 L | 2.641721 US gal | About 2.64 gallons |
| 20 L | 5.283441 US gal | About 5.28 gallons |
Important distinction
Which type of gallon is represented?
The value 0.264172 refers specifically to the US liquid gallon.
Used in this guide
Larger than a US gallon
Used for dry volume
One liter equals approximately 0.219969 imperial gallon, which is different from the US-gallon result.
Everyday meaning
What does one liter look like in US measurements?
One liter is slightly more than one US liquid quart and approximately 33.814 US fluid ounces.
More than one-quarter gallon
Slightly more than one quart
About 1.814 ounces above 32
These comparisons can help with beverage containers, aquariums, water storage, household products, vehicle fluids, and imported packaging.
Continue reading
Related liters-to-US-gallons guides
Questions and answers
Frequently asked questions
How many US gallons are in one liter?
One liter equals approximately 0.264172 US liquid gallon.
Is one liter one-quarter of a gallon?
One liter is slightly more than one-quarter of a US liquid gallon.
How many US fluid ounces are in one liter?
One liter equals approximately 33.814 US fluid ounces.
How many liters equal one US gallon?
One US liquid gallon equals exactly 3.785411784 liters.
Convert a volume
Use the Liters to US Gallons Converter
Enter any positive whole or decimal liter measurement to calculate US liquid gallons instantly.
Open Liters to US Gallons ConverterLast updated: July 27, 2026