Liters to Gallons Converter
Convert liters to US gallons by dividing by 3.78541. Enter a volume in liters to get gallons, quarts and UK gallons. Example: 20 L = 5.28 gal.
Show steps
How to use the Liters to Gallons Converter
- Type the value in liters.
- Choose how many decimal places you want.
- Press Calculate to see the value in us gallons, with the formula and steps.
Formula and method
US gallons = liters ÷ 3.785411784
A US gallon is exactly 3.785411784 liters. The UK imperial gallon is larger, at 4.54609 liters, so the same number of liters is fewer imperial gallons. Estimate quickly by dividing by 4 and adding a little: 40 L / 4 = 10, exact 10.57 gal.
L to gal conversion chart
| Liters | US gallons |
|---|---|
| 1 L | 0.26 gal |
| 2 L | 0.53 gal |
| 3.785 L | 1 gal |
| 5 L | 1.32 gal |
| 10 L | 2.64 gal |
| 15 L | 3.96 gal |
| 20 L | 5.28 gal |
| 30 L | 7.93 gal |
| 40 L | 10.57 gal |
| 50 L | 13.21 gal |
| 60 L | 15.85 gal |
| 100 L | 26.42 gal |
| 200 L | 52.83 gal |
| 1,000 L | 264.17 gal |
Fuel and fuel economy
Fuel is sold per liter in most countries and per gallon in the US. A 50 L tank holds 13.21 US gallons, and filling 40 L of fuel costs the same as 10.57 gal. Fuel economy converts the same way: 8 L/100 km is 29.4 mpg (US).
Aquariums, pools and water use
A 75 L aquarium is 19.8 US gallons, a 200 L water tank is 52.8 gal, and a 1,000 L IBC tank is 264.2 gal. The average US person uses about 82 gallons (310 L) of water at home per day, according to the EPA.
What are liters and US gallons?
A liter is one cubic decimeter, or 1,000 milliliters. It is the common metric unit for drinks, fuel and household volumes.
The US liquid gallon is defined as 231 cubic inches, which is exactly 3.785411784 liters. The UK imperial gallon is larger, at 4.54609 liters.
How to convert liters to us gallons step by step
- Write the value you want to convert: 45 L.
- Apply the rule liters to us gallons: ÷ 3.78541.
- Calculate: 45 ÷ 3.78541 = 11.8877 gal.
- Check a second value, 120 L: 120 ÷ 3.78541 = 31.7006 gal.
Round the answer to the precision you need. For quick checks use the mental estimate in the formula section above, and use the converter for exact results.
Full L to gal chart
| L | gal | L | gal | L | gal |
|---|---|---|---|---|---|
| 5 L | 1.32 gal | 55 L | 14.53 gal | 105 L | 27.74 gal |
| 10 L | 2.64 gal | 60 L | 15.85 gal | 110 L | 29.06 gal |
| 15 L | 3.96 gal | 65 L | 17.17 gal | 115 L | 30.38 gal |
| 20 L | 5.28 gal | 70 L | 18.49 gal | 120 L | 31.7 gal |
| 25 L | 6.6 gal | 75 L | 19.81 gal | 125 L | 33.02 gal |
| 30 L | 7.93 gal | 80 L | 21.13 gal | 130 L | 34.34 gal |
| 35 L | 9.25 gal | 85 L | 22.45 gal | 135 L | 35.66 gal |
| 40 L | 10.57 gal | 90 L | 23.78 gal | 140 L | 36.98 gal |
| 45 L | 11.89 gal | 95 L | 25.1 gal | 145 L | 38.3 gal |
| 50 L | 13.21 gal | 100 L | 26.42 gal | 150 L | 39.63 gal |
Frequently asked questions
How many liters are in a gallon?
A US gallon is 3.785 liters; a UK gallon is 4.546 liters.
How many gallons is 10 liters?
10 / 3.785 = 2.64 US gallons.
Which gallon do I use?
Use the US gallon in the US. In the UK, older fuel economy figures use imperial gallons.
Sources
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