Liters to Gallons Converter

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Convert between liters (L) and gallons (gal) with this handy volume conversion tool.

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You can use our liters and gallons converter tool to compare volume measurements between the metric system, which uses liters, and the US customary system, which uses gallons. Continue scrolling for conversion charts and instructions for how to convert between liters and gallons.

Applications of liters to gallons conversions

Understanding the difference between liters and gallons and knowing how to convert between them can be handy in a variety of everyday scenarios. Some common examples include:

• Fuel Efficiency: If you travel internationally or deal with vehicles from different regions, being able to convert fuel efficiency from liters per kilometer to miles per gallon (MPG) becomes important.
• Cooking and Baking: Recipes can vary based on where they're from, and some might use liters or gallons as measurements. Understanding the conversion lets you follow recipes accurately regardless of their origin.
• Bulk Shopping: Certain retail stores display liquid products like drinks or detergents in either liters or gallons. Being able to convert between these units helps you compare prices and make smarter shopping choices.

Before we discuss how to convert between liters and gallons, it's worth mentioning that there are two different gallon measurements. The US gallon and the imperial (UK) gallon. The US gallon is smaller than its imperial counterpart, so it's important to know which gallon you're referencing before you do your conversion. To fully assist you with your calculations, we've included conversion data for both US and imperial gallons.

Let's begin with looking at how many liters there are in a US gallon...

How many liters are in a US gallon?

There are 3.785412 liters in a US gallon. Half a gallon therefore measures 1.8927 liters.

US gallons and liters

US gallons to liters US gallons to liters
1 US gallon = 3.785 L11 US gallons = 41.64 L
2 US gallons = 7.571 L12 US gallons = 45.425 L
3 US gallons = 11.356 L13 US gallons = 49.21 L
4 US gallons = 15.142 L14 US gallons = 52.996 L
5 US gallons = 18.927 L15 US gallons = 56.781 L
6 US gallons = 22.712 L16 US gallons = 60.567 L
7 US gallons = 26.498 L17 US gallons = 64.352 L
8 US gallons = 30.283 L18 US gallons = 68.137 L
9 US gallons = 34.069 L19 US gallons = 71.923 L
10 US gallons = 37.854 L20 US gallons = 75.708 L
Conversions are rounded to max 3 decimal places

How to convert liters to gallons

To convert liters to US gallons, divide your liters figure by 3.785412, or multiply it by the conversion factor of 0.264172.

US Gallons = Liters / 3.785412

As we mentioned earlier in our article, the US gallon is smaller than the imperial UK gallon. So, let's take a look at how many liters there are in a UK gallon...

How many liters are in a UK gallon?

An imperial (UK) gallon measures 4.54609 litres. This means that half a gallon measures 2.273045 litres. Note that for this section we're using the UK spelling of litres.

UK gallons and litres

UK gallons to Litres UK gallons to Litres
1 UK gallon = 4.546 L11 UK gallons = 50.007 L
2 UK gallons = 9.092 L12 UK gallons = 54.553 L
3 UK gallons = 13.638 L13 UK gallons = 59.099 L
4 UK gallons = 18.184 L14 UK gallons = 63.645 L
5 UK gallons = 22.73 L15 UK gallons = 68.191 L
6 UK gallons = 27.277 L16 UK gallons = 72.737 L
7 UK gallons = 31.823 L17 UK gallons = 77.284 L
8 UK gallons = 36.369 L18 UK gallons = 81.83 L
9 UK gallons = 40.915 L19 UK gallons = 86.376 L
10 UK gallons = 45.461 L20 UK gallons = 90.922 L
Conversions are rounded to max 3 decimal places

We've featured charts for US gallons to liters, so let's go the other way and look at individual conversions for liters to US gallons...

Liters to US gallons

Liters to US gallons Liters to US gallons
1 liter = 0.264 gal11 liters = 2.906 gal
2 liters = 0.528 gal12 liters = 3.17 gal
3 liters = 0.793 gal13 liters = 3.434 gal
4 liters = 1.057 gal14 liters = 3.698 gal
5 liters = 1.321 gal15 liters = 3.963 gal
6 liters = 1.585 gal16 liters = 4.227 gal
7 liters = 1.849 gal17 liters = 4.491 gal
8 liters = 2.113 gal18 liters = 4.755 gal
9 liters = 2.378 gal19 liters = 5.019 gal
10 liters = 2.642 gal20 liters = 5.283 gal
Conversions are rounded to max 3 decimal places

And now for the larger UK imperial gallon. Here are conversions from litres to UK gallons. Once again, note that we're using the UK spelling of litres for this section.

Litres to UK gallons (imperial)

Litres to gallons (UK) Litres to gallons (UK)
1 litre = 0.22 gal11 litres = 2.42 gal
2 litres = 0.44 gal12 litres = 2.64 gal
3 litres = 0.66 gal13 litres = 2.86 gal
4 litres = 0.88 gal14 litres = 3.08 gal
5 litres = 1.1 gal15 litres = 3.3 gal
6 litres = 1.32 gal16 litres = 3.52 gal
7 litres = 1.54 gal17 litres = 3.739 gal
8 litres = 1.76 gal18 litres = 3.959 gal
9 litres = 1.98 gal19 litres = 4.179 gal
10 litres = 2.2 gal20 litres = 4.399 gal
Conversions are rounded to max 3 decimal places

Of course, it may be that you're wanting to convert from a price per liter to a price per gallon. If so, we've got you covered with our calculator and these useful charts...

Price per liter to gallons

The following are some common conversions for price per liter to price per US gallon.

Price per liter to price per US gallon
\$1.00 per L = \$3.79 per gal\$1.10 per L = \$4.16 per gal
\$1.20 per L = \$4.54 per gal\$1.30 per L = \$4.92 per gal
\$1.40 per L = \$5.30 per gal\$1.50 per L = \$5.68 per gal
\$1.60 per L = \$6.06 per gal\$1.70 per L = \$6.44 per gal
\$1.80 per L = \$6.81 per gal\$1.90 per L = \$7.19 per gal
\$2.00 per L = \$7.57 per gal\$2.10 per L = \$7.95 per gal
\$2.20 per L = \$8.33 per gal\$2.30 per L = \$8.71 per gal
\$2.40 per L = \$9.09 per gal\$2.50 per L = \$9.46 per gal
\$2.60 per L = \$9.84 per gal\$2.70 per L = \$10.22 per gal
\$2.80 per L = \$10.60 per gal\$2.90 per L = \$10.98 per gal
\$3.00 per L = \$11.36 per gal\$3.10 per L = \$11.74 per gal
\$3.20 per L = \$12.11 per gal\$3.30 per L = \$12.49 per gal
\$3.40 per L = \$12.87 per gal\$3.50 per L = \$13.25 per gal

Now that we've covered the conversions, let's dive deeper into the specifics of the liter and gallon measurements...

Understanding liter and gallon units

We'll begin this section by looking at the origins and definitions of the liter.

Liters (L)

The liter stands as a metric volume unit within the International System of Units (SI). It is widely adopted worldwide and is represented by the symbol "L." One liter equates to 1,000 cubic centimeters (cc) or one cubic decimeter (dm³). Its applications span the measurement of various liquids such as water, beverages, and fuel.

US gallons

Gallons are predominantly used in the United States and a few other countries that adhere to the imperial system of measurement. There are two types of gallons: the US gallon and the imperial gallon. The US gallon is defined as exactly 231 cubic inches, 0.133681 cubic feet or approximately 3.785 liters. It is commonly used for measuring liquid volumes in the US, such as gasoline and milk.

Imperial gallon

The imperial gallon, used in countries like the UK and Canada, is slightly larger than the US gallon. It measures approximately 4.546 liters. The imperial gallon is commonly used for measuring fuel, beverages, chemicals, and other liquid products.

Should you wish to manually convert between liters and gallons, we've got you covered. Here are the formulae, together with instructions for how to carry out the conversions.

Formulae for converting between liters and gallons

To convert liters to gallons or gallons to liters, you can use our calculator (at the top of the page) or use one of these two formulae...

Formula for converting liters to US gallons

US Gallons = Liters / 3.785412

Formula for converting liters to UK imperial gallons

Imperial (UK) Gallons = Liters / 4.5461

Before you go...

I hope you've enjoyed this article. If you find yourself needing to do regular volume unit conversions, it's worth bookmarking our handy volume converter tool, which will give you instant conversions for any unit of liquid volume.

Calculator and article by Alastair Hazell Last updated: October 18, 2023