Liter to Gallon Converter
Our free volume & weight converter handles liter gallon conversions. See tables, ratios, and examples for quick reference.
Reviewed by Manoj Kumar, Mathematics Educator
Formula
US Gallons = Liters / 3.78541
Divide liters by 3.78541 for US gallons or by 4.54609 for imperial gallons. The inverse conversion multiplies gallons by the same factor to get liters.
Worked Examples
Example 1: Fuel Tank Conversion
Problem:A car has a 60-liter fuel tank. How many US gallons does it hold?
Solution:US gallons = 60 L / 3.78541 = 15.8503 gallons\nQuarts = 60 / 0.946353 = 63.40 quarts
Result:60 liters = 15.8503 US gallons
Example 2: Pool Water Calculation
Problem:A pool holds 500 imperial gallons. How many liters is that?
Solution:Liters = 500 x 4.54609 = 2,273.05 liters\nUS gallons = 2273.05 / 3.78541 = 600.47 US gallons
Result:500 imperial gallons = 2,273.05 liters
Frequently Asked Questions
How many liters are in a gallon?
A US gallon contains exactly 3.78541 liters, while an imperial gallon contains 4.54609 liters. The US gallon is defined as 231 cubic inches, and the imperial gallon is defined as the volume of 10 pounds of water at a specific temperature. This approximately 20% size difference between the two gallon types is important to note when following instructions or recipes from different countries.
What are common liter-to-gallon conversions for everyday use?
Some handy conversions to remember: 1 liter is about 0.264 US gallons, 2 liters is roughly half a gallon, 4 liters is just over 1 gallon, and 20 liters is about 5.28 gallons. A standard gas tank of 50 liters holds about 13.2 US gallons. A 1.5-liter wine bottle is about 0.40 gallons. These approximations help with quick mental math when shopping, cooking, or traveling between metric and imperial countries.
References
Reviewed by Manoj Kumar, Mathematics Educator · Editorial policy