Liters to Gallons Converter

Convert liters to US gallons instantly. 1 liter = 0.264172 gallons.

Conversion Formula

US gallons = liters ÷ 3.78541

Liters to Gallons Reference Table

LitersUS Gallons
1 L0.2642 gal
2 L0.5283 gal
5 L1.3209 gal
10 L2.6417 gal
20 L5.2834 gal
40 L10.5669 gal
50 L13.2086 gal
75 L19.8129 gal
100 L26.4172 gal

Why the Formula Works

The formula US gallons = liters ÷ 3.78541 is the inverse of the gallons-to-liters definition. Since 1 US gallon = 3.785411784 liters exactly, 1 liter = 1/3.785411784 = 0.264172052... US gallons. The approximation 0.264172 is accurate to 6 significant figures. A quick mental estimate: 1 liter ≈ 0.26 gallons (about a quarter of a gallon). 4 liters ≈ 1.057 gallons — slightly more than 1 gallon. To convert to Imperial (UK) gallons instead, divide by 4.54609.

Real-World Examples

Bottled water and beverages: A standard 2-liter soda bottle = 0.528 gallons (slightly more than half a gallon). A 500 mL bottle = 0.132 gallons. A 1.5-liter water bottle = 0.396 gallons. US grocery stores sell juice in 64 oz (half gallon = 1.89 L) and 128 oz (gallon = 3.785 L) containers — knowing the liter equivalent helps when comparing imported products.

European car fuel tanks: A European compact car with a 45-liter tank has 11.9 gallons of capacity. A midsize SUV with an 80-liter tank holds 21.1 gallons. American buyers considering European-market vehicles need these conversions for fuel planning, range estimation, and cost comparison.

Cooking and recipes: A recipe calling for 2 liters of chicken stock = 0.528 gallons = 2.11 US quarts = 8.45 cups. Large batch cooking (soups, stews, fermentation) often encounters liter quantities that must be converted to US liquid measures for standard kitchen equipment.

Water usage and efficiency: A 10-minute shower uses about 60–80 liters (15.9–21.1 gallons). A standard bath uses about 150 liters (39.6 gallons). European water appliance efficiency ratings cite liters per cycle; US appliances cite gallons. Comparing dishwashers or washing machines across markets requires this conversion.

Why This Conversion Matters

Liters to gallons conversion is needed whenever metric liquid volumes must be understood in US terms. The global standard for liquid measurement is liters — fuel, beverages, industrial chemicals, pharmaceutical liquids, and cooking quantities outside the US are all measured in liters. American consumers importing products, travelers bringing liquids from metric countries, and engineers specifying liquid systems from international sources all need to convert liters to gallons for comparison with US standards. International appliance efficiency ratings, water heater capacities, swimming pool volumes, and industrial tank sizes are in liters; US buyers selecting and installing these need gallon equivalents. Vineyards, breweries, and distilleries following international production standards report volumes in liters; distributors serving the US market must convert. Gardeners and farmers using internationally sourced fertilizer or pesticide recommendations may encounter liter-based dosing rates.

Frequently Asked Questions

How many US gallons are in a liter?

1 liter equals approximately 0.264172 US gallons.

How do I convert liters to gallons?

Divide liters by 3.78541 (or multiply by 0.264172). For example, 10 liters ÷ 3.78541 = 2.6417 US gallons.

What is 20 liters in gallons?

20 liters = 20 × 0.264172 = 5.283 US gallons.

What is 50 liters in gallons?

50 liters = 50 × 0.264172 = 13.209 US gallons.

How many liters in a gallon of gas?

1 US gallon of gas = 3.78541 liters. When traveling internationally, remember that fuel prices are often listed per liter, so multiply by ~3.785 to compare with per-gallon prices.

For more volume conversions, see the full Volume Converter.