Liters to Gallons Converter
Convert liters to US gallons instantly — 1 US gallon = 3.78541 liters
1 L =
0.2642 gal
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Quick summary
To convert liters to US gallons, divide by 3.78541 (or multiply by 0.264172). So 1 L ≈ 0.26 gal, 10 L ≈ 2.64 gal, and 50 L ≈ 13.21 gal. To convert gallons to liters, multiply by 3.78541. Use swap to reverse. Note these are US gallons; the UK (imperial) gallon is larger at 4.54609 L.
Reviewed by Simple Calculators TeamLast reviewed
How to use this calculator
- Enter the inputs requested by the calculator.
- Choose the units or options that match your situation and review the assumptions.
- Run or update the calculation to see the result.
- Review the result, breakdown, and formulas shown on the page.
- Check the inputs, units, dates, and limitations before saving or sharing the result.
Frequently asked questions
How do I convert liters to gallons?
Divide the liters by 3.78541 to get US gallons. For example, 20 L ÷ 3.78541 = 5.28 gal. To convert gallons to liters, multiply by 3.78541 instead.
How many liters in a gallon?
One US gallon is 3.78541 liters. So a 15-gallon fuel tank holds about 56.8 liters. The UK imperial gallon is bigger at 4.54609 liters.
What is 5 liters in gallons?
5 liters is about 1.32 US gallons. The reference table covers common fuel and container sizes.
Are these US or UK gallons?
This converter uses US gallons (3.78541 L). The UK/imperial gallon is about 20% larger at 4.54609 L, so always check which system a figure uses when comparing fuel economy or volumes across countries.
Key terms
- Liter (L)
- A metric volume unit; 1000 ml = 1 L.
- US Gallon
- A US volume unit equal to 3.78541 liters.
- Imperial Gallon
- The UK gallon, larger at 4.54609 liters.
Methodology, sources & limitations
This page shows the formula, assumptions, and limitations used for this estimate. Rates, thresholds, and other time-sensitive inputs can change, so verify them against the relevant official source before relying on a result.
For our review approach and the primary sources we consult, see the methodology and source policy. If you spot an outdated figure or formula, please contact us with a correction.