Convert Liters to Gallons

The Liters to Gallons Converter is a free online tool that instantly converts between liters (L) and gallons (gal) with support for both US and UK Imperial gallons.

Whether you’re calculating fuel consumption, cooking measurements, or working on industrial projects, this converter provides accurate results in seconds. Simply enter your value, select the gallon type, and get instant conversions with detailed breakdowns.

Liters to Gallons Converter | Free L to Gal Calculator (US & UK)

🌍 Select Gallon Type

Liters (L)

Volume in liters

Gallons (gal)

gal

US Gallons

Conversion Result

2.64

US gallons

10 L ÷ 3.78541 = 2.64 US gallons

Quarts

10.57

Pints

21.13

Cups

42.27

cups

Fluid Ounces

338.14

fl oz

Milliliters

10,000

Cubic Inches

610.24

in³

📝 Conversion Formulas

US Gallons = Liters ÷ 3.78541 | UK Gallons = Liters ÷ 4.54609

📖 How to Use This Converter

Enter Value

Type the liters you want to convert

Select Type

Choose US or UK Imperial gallon

Get Results

View gallons, quarts, pints & more

Copy & Use

Copy result or swap conversion

⚖️ US Gallon vs UK Imperial Gallon

🇺🇸 US Gallon

Volume in Liters3.78541 L
Fluid Ounces128 fl oz
Quarts4 qt
Pints8 pt
Cups16 cups
Cubic Inches231 in³
Used InUSA, Liberia

🇬🇧 UK Imperial Gallon

Volume in Liters4.54609 L
Fluid Ounces160 fl oz
Quarts4 qt
Pints8 pt
Cups16 cups
Cubic Inches277.42 in³
Used InUK, Canada

📊 Quick Conversion Reference

Liters	US Gallons	US Quarts	US Pints
1 L	0.264 gal	1.057 qt	2.113 pt
2 L	0.528 gal	2.113 qt	4.227 pt
5 L	1.321 gal	5.283 qt	10.567 pt
10 L	2.642 gal	10.567 qt	21.134 pt
20 L	5.283 gal	21.134 qt	42.268 pt
50 L	13.209 gal	52.834 qt	105.669 pt
100 L	26.417 gal	105.669 qt	211.338 pt

Liters	UK Gallons	UK Quarts	UK Pints
1 L	0.220 gal	0.880 qt	1.760 pt
2 L	0.440 gal	1.760 qt	3.520 pt
5 L	1.100 gal	4.399 qt	8.799 pt
10 L	2.200 gal	8.799 qt	17.598 pt
20 L	4.399 gal	17.598 qt	35.195 pt
50 L	10.998 gal	43.994 qt	87.988 pt
100 L	21.997 gal	87.988 qt	175.975 pt

📏 What is a Liter?

A liter (L) is a metric unit of volume equal to 1,000 cubic centimeters or 1 cubic decimeter. It’s the standard unit for measuring liquids in most countries worldwide. One liter of water weighs exactly 1 kilogram at 4°C.

⛽ Common Uses

Gallons are commonly used to measure fuel for vehicles, milk and beverages in retail, swimming pool capacity, water tank storage, paint and chemicals, and cooking ingredients in large-scale recipes.

💡 Quick Tip

For quick mental math, remember that 4 liters is approximately 1 US gallon, and 4.5 liters is approximately 1 UK gallon. The UK gallon is about 20% larger than the US gallon.

❓ Frequently Asked Questions

How many liters are in a gallon?

There are 3.78541 liters in a US gallon and 4.54609 liters in a UK Imperial gallon. The difference exists because these measurements developed independently in different countries.

How do I convert liters to gallons manually?

To convert liters to US gallons, divide the liter value by 3.78541. For UK gallons, divide by 4.54609. For example, 10 liters ÷ 3.78541 = 2.64 US gallons.

Which gallon type should I use?

Use US gallons if you’re in the United States or following American recipes and measurements. Use UK Imperial gallons if you’re in the United Kingdom, following British recipes, or working with Commonwealth country measurements.

Why is the UK gallon larger than the US gallon?

The UK Imperial gallon was defined as the volume of 10 pounds of water at a specific temperature, while the US gallon was based on the older English wine gallon. This historical difference resulted in the UK gallon being about 20% larger.

How many liters is a gallon of gas?

In the United States, a gallon of gas equals 3.78541 liters. In the UK, a gallon of petrol equals 4.54609 liters. This difference affects fuel economy comparisons between countries.

Is a Canadian gallon the same as a UK gallon?

Canada officially uses the metric system (liters), but when gallons are referenced historically, they meant Imperial (UK) gallons. However, due to proximity to the US, both systems may be encountered in Canada.

What is the formula for liters to gallons conversion?

The formulas are: US Gallons = Liters ÷ 3.78541 and UK Gallons = Liters ÷ 4.54609. For reverse conversion: Liters = US Gallons × 3.78541 or Liters = UK Gallons × 4.54609.