Skip to content
SPCXTools

Liters to gallons

Convert liters to US gallons — or gallons to liters — for fuel, water, paint and more.

Runs locally — files never leave your device

Loading tool…

How to use Liters to gallons

  1. 1Type a volume in liters to see it in US gallons.
  2. 2Or type in the gallons box to convert gallons to liters.
  3. 3Copy the result with one click.
  4. 4Use the chart for common volumes such as fuel tanks and water jugs.

Liters and gallons

Liters measure fuel, drinks and liquids in most countries, while the United States uses gallons at the gas pump, in recipes and on milk jugs. Converting between them comes up when renting a car abroad, comparing fuel prices, buying paint, filling an aquarium or reading a product label. Type in either box for an instant answer.

Conversion factors

From To Multiply by
Liters US gallons 0.264172
US gallons Liters 3.785412
Liters UK gallons 0.219969
UK gallons Liters 4.54609

Common volumes

What Liters US gallons
Large water jug 3.785 1
Office water bottle 18.9 5
Small car fuel tank 40 10.6
Average car fuel tank 55 14.5
Bathtub 150 39.6
55-gallon drum 208.2 55
Hot tub 1,500 396

Comparing fuel prices

To compare a price per liter with a price per US gallon, multiply the per-liter price by 3.785. Fuel at 1.80 per liter is 6.81 per US gallon in the same currency. Use the Currency Converter to compare across currencies, and the Fuel Cost Calculator to estimate the cost of a trip.

Related tools

Convert kitchen volumes with ml to cups, driving distances with km to miles, or imperial gallons and every other unit with the Unit Converter.

Frequently asked questions

How many liters are in a gallon?
A US gallon is exactly 3.785411784 liters. A UK (imperial) gallon is larger — 4.54609 liters. This converter uses US gallons; use the Unit Converter for imperial gallons.
How do I convert liters to gallons?
Divide by 3.785. For 50 liters: 50 ÷ 3.785 = 13.2 US gallons. To convert gallons to liters, multiply by 3.785.
How do I convert fuel economy between L/100 km and mpg?
Divide 235.21 by the L/100 km value to get US miles per gallon. 7 L/100 km ≈ 33.6 mpg (US). For UK mpg, use 282.48 instead of 235.21.
Why are UK and US gallons different?
Both come from older English measures. The US kept the 231-cubic-inch wine gallon, while the UK redefined the gallon in 1824 as the volume of 10 pounds of water, which is about 20% larger.
How many liters is a typical car fuel tank?
Most cars hold 40–70 liters (about 10.5–18.5 US gallons). Large SUVs and pickup trucks can hold 80–130 liters (21–34 gallons).

Related tools

ml to cupsConvert milliliters to cups — or cups to milliliters — for any recipe.km to milesConvert kilometers to miles — or miles to kilometers — instantly, for running, driving and travel.Fuel Cost CalculatorWork out how much a trip will cost in fuel — in kilometers or miles, liters or gallons — and split it between passengers.Unit ConverterConvert between metric and imperial units across ten kinds of measurement, with all results at a glance.Acres to HectaresQuickly convert land area between acres and hectares with high precision.Calories to KilojoulesConvert food energy between calories (kcal) and kilojoules (kJ) instantly in your browser.