Gallons to Liters Calculator (gal to L)

One US gallon is equal to 3.785412 liters. Converting gallons to liters is useful when measuring fuel, water, paint, cooking ingredients, and other liquids.

Use the
Gallons to Liters Calculator to convert any US gallon value accurately. You can also find the conversion formula, chart, and practical examples below to make the calculation simple and easy to understand.

Gallons to Liters Converter
Gallons to Liters Converter
Enter Any Gallons Value and Get Its Exact Liters Equivalent.
?
7 US gallons =
Accurate
26.498 Liters
Formula: US gal × 3.785411784

Understanding Gallons and Liters

Before converting US gallons to liters, it’s helpful to know what these two units measure. Both are used to measure liquid volume, but they belong to different measurement systems.

What Is a Gallon?

A US gallon (gal) is a unit of liquid volume mainly used in the United States. It is commonly used for measuring fuel, water, milk, paint, and other everyday liquids. According to NIST, 1 US gallon equals exactly 3.785412 liters (231 cubic inches).

What Is a Liter?

A liter (L) is the standard metric unit for measuring liquid volume. It is accepted for use with the International System of Units (SI) and is equal to 1 cubic decimeter (dm³) or 1,000 cubic centimeters (cm³). Liters are widely used around the world for water, fuel, beverages, and cooking ingredients.

Gallons to Liters Conversion

To convert US gallons to liters, multiply the number of gallons by 3.785412. You can calculate the value manually using the gallons to liters formula or simply use the Gallons to Liters Calculator for a quick and accurate result.

See the conversion in action:

conversion formula 1 gallon equals 3.785412 liters

Gallons to Liters Conversion Chart

The table below includes additional values that people frequently search for, such as 0.5 gallons to liters, 1.5 gallons to liters, 2.5 gallons to liters, 3.5 gallons to liters, 7.5 gallons to liters, 12.5 gallons to liters, and 22.5 gallons to liters. It’s a handy reference when you need a quick conversion.

Decimal Values Chart​

0.2 - 3.4 Gallons
0.2 GallonsLiters
0.3 GallonsLiters
0.4 GallonsLiters
0.5 GallonsLiters
0.6 GallonsLiters
0.7 GallonsLiters
0.75 GallonsLiters
0.8 GallonsLiters
1.1 GallonsLiters
1.2 GallonsLiters
1.3 GallonsLiters
1.4 GallonsLiters
1.5 GallonsLiters
1.6 GallonsLiters
1.7 GallonsLiters
1.75 GallonsLiters
1.8 GallonsLiters
2.1 GallonsLiters
2.2 GallonsLiters
2.25 GallonsLiters
2.3 GallonsLiters
2.4 GallonsLiters
2.5 GallonsLiters
2.6 GallonsLiters
2.7 GallonsLiters
2.8 GallonsLiters
3.2 GallonsLiters
3.25 GallonsLiters
3.3 GallonsLiters
3.4 GallonsLiters
3.5 GallonsLiters
3.7 GallonsLiters
3.75 GallonsLiters
3.8 GallonsLiters
4.3 GallonsLiters
4.5 GallonsLiters
4.6 GallonsLiters
5.3 GallonsLiters
5.5 GallonsLiters
5.8 GallonsLiters
6.5 GallonsLiters
6.6 GallonsLiters
7.5 GallonsLiters
8.5 GallonsLiters
9.5 GallonsLiters
12.5 GallonsLiters
13.2 GallonsLiters
13.5 GallonsLiters
14.5 GallonsLiters
15.3 GallonsLiters
15.5 GallonsLiters
15.8 GallonsLiters
17.5 GallonsLiters
18.5 GallonsLiters
22.5 GallonsLiters
Liters

Numerical Values Chart​

1 - 30 Gallons
1 GallonsLiters
2 GallonsLiters
3 GallonsLiters
4 GallonsLiters
5 GallonsLiters
6 GallonsLiters
7 GallonsLiters
8 GallonsLiters
9 GallonsLiters
10 GallonsLiters
11 GallonsLiters
12 GallonsLiters
13 GallonsLiters
14 GallonsLiters
15 GallonsLiters
16 GallonsLiters
17 GallonsLiters
18 GallonsLiters
19 GallonsLiters
20 GallonsLiters
21 GallonsLiters
22 GallonsLiters
23 GallonsLiters
24 GallonsLiters
25 GallonsLiters
26 GallonsLiters
27 GallonsLiters
28 GallonsLiters
29 GallonsLiters
30 GallonsLiters
31 GallonsLiters
32 GallonsLiters
33 GallonsLiters
34 GallonsLiters
35 GallonsLiters
36 GallonsLiters
38 GallonsLiters
39 GallonsLiters
40 GallonsLiters
42 GallonsLiters
44 GallonsLiters
45 GallonsLiters
47 GallonsLiters
48 GallonsLiters
50 GallonsLiters
55 GallonsLiters
60 GallonsLiters
65 GallonsLiters
70 GallonsLiters
75 GallonsLiters
80 GallonsLiters
85 GallonsLiters
90 GallonsLiters
100 GallonsLiters
120 GallonsLiters
130 GallonsLiters
150 GallonsLiters
180 GallonsLiters
200 GallonsLiters
250 GallonsLiters
300 GallonsLiters
400 GallonsLiters
500 GallonsLiters
600 GallonsLiters
700 GallonsLiters
800 GallonsLiters
1000 GallonsLiters

Note: This chart uses the standard conversion factor of 1 US gallon = 3.785412 liters. Values are rounded to two decimal places.

Gallon to Liter Formula

The gallons to liters formula is the simplest way to convert US gallons to liters. Whether you’re measuring water, fuel, paint, or other liquids, using the correct gallons to liters conversion factor ensures accurate results every time.

Liters = US Gallons × 3.78541

This is the standard Gallons to Liters conversion formula used for American gallons to liters calculations.

Gallons to Liters Conversion Factor

  • 1 US gallon = 3.78541 liters
  • 1 liter = 0.264172 US gallons

     

The gallons to liters equation above is the standard method used for gallons conversion to liters. You can also use this formula for gallons to liters fuel calculations, water containers, paint, and other everyday liquid measurements.

Example Calculation

To convert US gallons to liters, multiply the gallon value by 3.78541.

  • 5 gallons × 3.78541 = 18.93 liters
  • So, 5 gallons equal liters = 18.93 L.

     

If you don’t want to calculate it manually, use the Gallons to Liters Calculator for quick and accurate gallons to liters conversion.

Conversion

Formula

Example

Gallons per hour (GPH) to Liters per minute (L/min)

L/min = GPH × 3.78541 ÷ 60

60 GPH = 3.79 L/min

Gallons per minute (GPM) to Liters per second (L/s)

L/s = GPM × 3.78541 ÷ 60

10 GPM = 0.63 L/s

Gallons per acre to Liters per hectare (L/ha)

L/ha = gal/acre × 9.35396

20 gal/acre = 187.08 L/ha

Gallons per hour (GPH) to Liters per hour (L/h)

L/h = GPH × 3.78541

25 GPH = 94.64 L/h

How to Convert Gallons to Liters?

You can convert US gallons to liters in just one simple step. Multiply the number of gallons by 3.78541, which is the standard gallons to liters conversion factor.

Formula: Liters = US Gallons × 3.78541

Step-by-Step Conversion

  1. Enter the number of US gallons.
  2. Multiply it by 3.78541.
  3. The answer is the volume in liters (L).

Example

To convert 5 gallons to liters:

Liters = 5 × 3.78541
Liters = 18.93 L

This gallons to liters formula provides accurate results for water, fuel, beverages, paint, and other liquids. If you don’t want to calculate it manually, simply use the Gallons to Liters Calculator for an instant gallons to liters conversion.

Real-Life Gallons to Liters Examples

Understanding gallons to liters conversion becomes easier when you see how it is used in everyday situations. Whether you are checking fuel capacity, storing water, cooking large quantities, or buying liquid products, converting gallons into liters helps you understand the exact amount quickly.

Drinking Water

A large water container commonly holds 5 gallons of water, which is equal to about 18.93 liters. This conversion is useful when comparing water storage sizes or checking how much drinking water is available at home, offices, or events.

Car Fuel Tank

A typical mid-size car may have a fuel tank capacity of around 12 gallons. Using the gallons to liters formula, 12 US gallons equals approximately 45.42 liters. This helps drivers compare vehicle specifications, especially when fuel capacity is listed in liters in different countries.

Cooking and Food Preparation

Restaurants and catering services often measure large amounts of liquids in gallons. For example, 3 gallons of soup or cooking oil is equal to about 11.36 liters. Converting gallons to liters helps chefs prepare the correct quantity when using recipes with different measurement systems.

Frequently Ask Questions

2 liters is equal to approximately 0.53 US gallons. Multiply liters by 0.264172 to convert them into US gallons. This conversion is commonly used for water, fuel, and other liquids.

3 liters is equal to approximately 0.79 US gallons. You can convert liters to US gallons by multiplying the value by 0.264172 for a quick and accurate result.

4 liters equals approximately 1.06 US gallons. This conversion is helpful when comparing liquid capacities in recipes, fuel measurements, water containers, and other everyday applications.

5 liters is equal to approximately 1.32 US gallons. Simply multiply 5 by 0.264172 to convert liters into US gallons accurately for everyday liquid measurements.

6 liters is equal to approximately 1.59 US gallons. This conversion is useful for measuring liquids such as water, fuel, beverages, and cleaning solutions using US customary units.

7 liters equals approximately 1.85 US gallons. Use the standard conversion factor of 0.264172 to quickly convert liters into US gallons for accurate volume measurements.

8 liters is equal to approximately 2.11 US gallons. This conversion helps compare liquid quantities between the metric system and the US customary measurement system.

9 liters equals approximately 2.38 US gallons. Multiply liters by 0.264172 to get the equivalent volume in US gallons for accurate liquid conversions.

10 liters is equal to approximately 2.64 US gallons. This is one of the most common liters-to-gallons conversions used for fuel tanks, water storage, and household liquids.

11 liters equals approximately 2.91 US gallons. Converting liters to US gallons is simple using the standard conversion factor of 0.264172 for accurate results.

12 liters is equal to approximately 3.17 US gallons. This conversion is useful when measuring larger liquid volumes for storage tanks, aquariums, or commercial applications.

14 liters equals approximately 3.70 US gallons. Multiply the number of liters by 0.264172 to convert them into US gallons accurately and quickly.

15 liters is equal to approximately 3.96 US gallons. This conversion is commonly used when measuring fuel, water, cooking ingredients, and other liquid volumes in the US.

50 liters equals approximately 13.21 US gallons. This conversion is useful for large water containers, fuel tanks, industrial equipment, and other high-capacity liquid measurements.

1,000 liters is equal to approximately 264.17 US gallons. This conversion is commonly used for water storage tanks, commercial fuel systems, and large industrial liquid capacity calculations.