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Gallons to Liters Converter (US Gallons to Liters)

1 US gallon = 3.785411784 liters. To convert gal to L, multiply by 3.785411784.

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1 gal = 3.785 L

1 gal
3.7854 L
1 L
0.2642 gal
10 gal
37.8541 L
100 gal
378.5412 L

How to convert Gallons to Liters

1 US gallon equals 3.785411784 liters, so the conversion is a single multiplication.

L = gal × 3.785411784

Example: 2 gal × 3.785411784 = 7.571 L.

About the US gallon and the liter

US Gallon (gal)

The US gallon is defined as 231 cubic inches, exactly 3.785411784 liters. It's about 17% smaller than the imperial (UK) gallon.

Liter (L)

A liter is one cubic decimeter, or 1,000 cubic centimeters. Bottled drinks, fuel and engine sizes are sold in liters.

1 US gallon in every volume unit

Milliliters3,785.412 mL
US Fluid Ounces128 fl ozLiters3.785 L
US Cups16 cup
Tablespoons256 tbsp
Teaspoons768 tsp
US Quarts4 qt
US Pints8 pt
Imperial Gallons0.8327 imp gal
Imperial Quarts3.331 imp qt
Imperial Pints6.661 imp pt
Imperial Fluid Ounces133.228 imp fl oz
Metric Cups15.142 metric cup
Deciliters37.854 dL
Centiliters378.541 cL
Cubic Meters0.003785 m³
Cubic Centimeters3,785.412 cm³
Cubic Feet0.1337 ft³
Cubic Inches231 in³
Cubic Yards0.004951 yd³
Oil Barrels0.02381 bbl
Acre-Feet0.000003069 ac·ft
US Bushels0.1074 bu
US Pecks0.4297 pk
US Dry Pints6.875 dry pt
Liters to GallonsReverse conversionQuarts to Gallons1 qt = 0.25 galGallons to Quarts1 gal = 4 qtLiters to oz1 L = 33.814 fl ozoz to Liters1 fl oz = 0.02957 LQuarts to Liters1 qt = 0.9464 LLiters to Quarts1 L = 1.0567 qtGallons to oz1 gal = 128 fl ozoz to Gallons1 fl oz = 0.007813 galImperial Gallons to Liters1 imp gal = 4.5461 LLiters to Imperial Gallons1 L = 0.22 imp galCubic Feet to Gallons1 ft³ = 7.4805 gal

Quick answers

How many ounces in a cup?8 US fluid ouncesHow many cups in a quart?4 US cupsHow many teaspoons in a tablespoon?3 teaspoonsHow many ounces in a gallon?128 US fluid ouncesHow many liters in a gallon?3.785 litersHow many quarts in a gallon?4 US quartsHow many tablespoons in 1/4 cup?4 tablespoons

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Gallons to Liters FAQ

How many liters are in a US gallon?

1 US gallon = 3.785411784 liters.

How many US gallons are in a liter?

1 liter = 0.2641720524 US gallons.

How do I convert gal to L?

Use L = gal × 3.785411784. For example, 10 gal = 37.854 L.

Can I print this Gallons to Liters chart?

Yes. Use "Print / Save PDF" next to the converter for a one-page chart, or "Download CSV" to open it in Excel or Google Sheets.