Gallons to Liters Conversion

Enter the volume in gallons below to get the value converted to liters.

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1 gal = 3.785412 l
Do you want to convert liters to gallons?

How to Convert Gallons to Liters

conversion scale showing gallons and equivalent liters volume values

To convert a gallon measurement to a liter measurement, multiply the volume by the conversion ratio. One gallon is equal to 3.785412 liters, so use this simple formula to convert:

liters = gallons × 3.785412

The volume in liters is equal to the gallons multiplied by 3.785412.

For example, here's how to convert 5 gallons to liters using the formula above.
5 gal = (5 × 3.785412) = 18.927059 l

Gallons and liters are both units used to measure volume. Keep reading to learn more about each unit of measure.

Gallons

The US liquid gallon is a unit of fluid volume equal to four quarts, eight pints, or sixteen cups.[1] The US liquid gallon should not be confused with the US dry gallon or the imperial gallon, which are different units of measure.

The gallon is a US customary unit of volume. Gallons can be abbreviated as gal; for example, 1 gallon can be written as 1 gal.

Liters

A liter is a unit of volume equal to 1,000 cubic centimeters.[2] The liter is a special name defined for the cubic decimeter and is exactly equal to the volume of one cubic decimeter.

The liter is an SI accepted unit for volume for use with the metric system. A liter is sometimes also referred to as a litre. Liters can be abbreviated as l, and are also sometimes abbreviated as L or . For example, 1 liter can be written as 1 l, 1 L, or 1 ℓ.

Gallon to Liter Conversion Table

Gallon measurements converted to liters
Gallons Liters
1 gal 3.7854 l
2 gal 7.5708 l
3 gal 11.36 l
4 gal 15.14 l
5 gal 18.93 l
6 gal 22.71 l
7 gal 26.5 l
8 gal 30.28 l
9 gal 34.07 l
10 gal 37.85 l
11 gal 41.64 l
12 gal 45.42 l
13 gal 49.21 l
14 gal 53 l
15 gal 56.78 l
16 gal 60.57 l
17 gal 64.35 l
18 gal 68.14 l
19 gal 71.92 l
20 gal 75.71 l
21 gal 79.49 l
22 gal 83.28 l
23 gal 87.06 l
24 gal 90.85 l
25 gal 94.64 l
26 gal 98.42 l
27 gal 102.21 l
28 gal 105.99 l
29 gal 109.78 l
30 gal 113.56 l
31 gal 117.35 l
32 gal 121.13 l
33 gal 124.92 l
34 gal 128.7 l
35 gal 132.49 l
36 gal 136.27 l
37 gal 140.06 l
38 gal 143.85 l
39 gal 147.63 l
40 gal 151.42 l

References

  1. National Institute of Standards and Technology, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices, Handbook 44 - 2019 Edition, https://nvlpubs.nist.gov/nistpubs/hb/2019/NIST.HB.44-2019.pdf
  2. National Institute of Standards and Technology, Units outside the SI, https://physics.nist.gov/cuu/Units/outside.html