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Imperial Gallons to Liters Converter

1 imperial gallon = 4.54609 liters. To convert imp gal to L, multiply by 4.54609.

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1 imp gal = 4.546 L

1 imp gal
4.5461 L
1 L
0.22 imp gal
10 imp gal
45.4609 L
100 imp gal
454.609 L

How to convert Imperial Gallons to Liters

1 imperial gallon equals 4.54609 liters, so the conversion is a single multiplication.

L = imp gal × 4.54609

Example: 2 imp gal × 4.54609 = 9.092 L.

About the imperial gallon and the liter

Imperial Gallon (imp gal)

The imperial gallon is exactly 4.54609 liters, used in the UK for fuel economy (mpg) and some drinks.

Liter (L)

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

1 imperial gallon in every volume unit

Milliliters4,546.09 mL
US Fluid Ounces153.722 fl oz
Liters4.546 L
US Gallons1.201 gal
US Cups19.215 cup
Tablespoons307.443 tbsp
Teaspoons922.33 tsp
US Quarts4.804 qt
US Pints9.608 pt
Imperial Quarts4 imp qt
Imperial Pints8 imp pt
Imperial Fluid Ounces160 imp fl oz
Metric Cups18.184 metric cup
Deciliters45.461 dL
Centiliters454.609 cL
Cubic Meters0.004546 m³
Cubic Centimeters4,546.09 cm³
Cubic Feet0.1605 ft³
Cubic Inches277.419 in³
Cubic Yards0.005946 yd³
Oil Barrels0.02859 bbl
Acre-Feet0.000003686 ac·ft
US Bushels0.129 bu
US Pecks0.516 pk
US Dry Pints8.256 dry pt

Quick answers

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Imperial Gallons to Liters FAQ

How many liters are in a imperial gallon?

1 imperial gallon = 4.54609 liters.

How many imperial gallons are in a liter?

1 liter = 0.2199692483 imperial gallons.

How do I convert imp gal to L?

Use L = imp gal × 4.54609. For example, 10 imp gal = 45.461 L.

Can I print this Imperial 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.