How Many Liters Are in a Gallon?

On This Page:

• Conversion Formulas
• Conversion Examples
• Conversion Calculator
• Conversion Charts  

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Conversion Formulas

Convert liters to gallons and gallons to liters using our conversion chart, conversion calculator, and learn the relationship between these two units.

Conversion of liters to gallons and gallons to liters is an easy one since both units are units of volume. Just be aware that there are three gallons in general use including US liquid gallon, US dry gallon, and Imperial gallon.

A liter is a metric system unit of volume and is equal to 1 cubic decimeter (dm³), 1000 cubic centimeters (cm³), or 0.001 cubic meters (m³).

One liter occupies a volume of 0.1m x 0.1m x 0.1m and thus equals to one-thousandth (0.001 m³) of a cubic meter.

Thus, gallons-liter conversion formulas are:

1 US Liquid Gallon = 128 US Fluid Ounces (fl oz) = 3.78541 liters

1 US Dry Gallon = 148.95 US Fluid Ounces (fl oz) = 4.4049 liters

1 Imp Liquid Gallon = 160 Imp Fluid Ounces = 4.54609 liters

In most situations, US liquid gallons are used for liter to gallon and gallon to liter conversions.

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Conversion Examples

If You have 2 gallons (US/Imp) that would be:

V_(liters) = 3.78541 * V_{(US fluid gallon)} = 3.78541 * 2 = 7.57082 liters

V_(liters) = 4.4049 * V_{(US dry gallon)} = 4.4049 * 2 = 8.8098 liters

V_(liters) = 4.54609 * V_{(Imp gallon)} = 4.54609 * 2 = 9.09218 liters 

 

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Liters to Gallons and Gallons to Liters Conversion Calculator

In order to convert liters to US fluid gallons and US fluid gallons to liters, feel free to use this conversion calculator - write the value that You have and click 'Calculate' to convert it:

Liters to US Fluid Gallons

Liters: US Fluid Gallons:

US Fluid Gallons to Liters

US Fluid Gallons: Liters:

Liters to Imperial Gallons

Liters: Imperial Gallons:

Imperial Gallons to Liters

Imperial Gallons: liters:

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Liters to Gallons and Gallons to Liters Conversion Charts

Here are some grams to gallons and gallons to grams quick conversion charts to aid You with units' conversions (again, values are very accurate for plain water, for other liquids, You must also calculate in the liquids' densities):

Liters	US Fluid Gallons	Imperial Gallons
0.1	0.0264	0.0219
0.4536	0.1198	0.0997
1	0.264	0.219
5	1.32086	1.09985
10	2.64	2.19
100	26.4	21.9
1000	264.1	219.9

 

US Fluid Gallons Liters 0.1 0.3785  0.2 0.7570  0.3 1.1356 0.4 1.5141 0.5 1.8927  0.6 2.2712 0.7 2.649.7 0.8 3.0283 0.9 3.4068 1.0 3.7854

Imperial Gallons Liters 0.1 0.4546 0.2 0.9092 0.3 1.3638 0.4 1.8184 0.5 2.2730 0.6 2.7276 0.7 3.1822 0.8 3.6368 0.9 4.0914 1.0 4.5460