Equivalent in Gallons:
Table of Contents
How many gallons are in a liter?
There are 0.264172 US gallons in one liter. Put another way, one US gallon equals 3.78541 liters. The liter is a metric unit of volume widely used around the world, while the gallon is primarily used in the United States.
How to convert liters to gallons
To convert liters to US gallons, multiply the number of liters by 0.264172.
Gallons = Liters × 0.264172
For example, to convert 10 liters to gallons:
10 × 0.264172 = 2.642 gallons
To convert in the other direction — gallons to liters — multiply by 3.78541:
Liters = Gallons × 3.78541
US gallon vs. Imperial gallon
There are two definitions of the gallon in common use:
- US gallon: 3.78541 liters — used in the United States
- Imperial gallon: 4.54609 liters — used in the UK and some Commonwealth countries
This converter uses the US gallon. If you need the Imperial gallon, multiply your liter value by 0.219969 instead.
Liters to Gallons Conversion Table
Quick reference for common liter to gallon conversions (US gallons):
| Liters | US Gallons |
|---|---|
| 1 L | 0.264 gal |
| 2 L | 0.528 gal |
| 5 L | 1.321 gal |
| 10 L | 2.642 gal |
| 15 L | 3.963 gal |
| 20 L | 5.283 gal |
| 25 L | 6.604 gal |
| 50 L | 13.209 gal |
| 100 L | 26.417 gal |
When do you need to convert liters to gallons?
The most common situations where you'll need to convert between liters and gallons include:
- Fuel efficiency: European fuel economy is measured in liters per 100 km, while the US uses miles per gallon (MPG). Converting between the two systems helps compare vehicle efficiency.
- Cooking and recipes: American recipes may list large quantities in gallons, while metric recipes use liters.
- Aquariums and tanks: Fish tank sizes are often listed in gallons in the US but liters internationally.
- Water storage: Water containers, tanks, and barrels are measured in both gallons and liters depending on the country.
- Buying fuel abroad: When travelling from the US to Europe or vice versa, understanding how much fuel you're getting requires knowing the liter-to-gallon conversion.
FAQs
There are 0.264172 US gallons in one liter. To convert liters to gallons, multiply the number of liters by 0.264172.
There are 3.78541 liters in one US gallon. To convert gallons to liters, multiply the number of gallons by 3.78541.
There are 18.927 liters in 5 US gallons (5 × 3.78541 = 18.927).
A US gallon equals 3.78541 liters, while a UK (Imperial) gallon equals 4.54609 liters. The UK gallon is approximately 20% larger than the US gallon.
No, a liter is smaller than a US gallon. One US gallon equals approximately 3.785 liters, meaning a gallon is about 3.8 times larger than a liter.
The United States, Liberia, and Myanmar are the primary countries that use gallons as a unit of measurement. Most other countries use liters as part of the metric system.