US Liquid Gallons to Imperial Gallons Converter

1 gal = 0.832674184629 imp gal. Type any value below for the exact imperial gallons figure.

Measurement system: This conversion uses the US customary measure, not the Imperial/UK measure.

gal
0.832674184629imp gal

1 gal = 0.832674184629 imp gal

For the same numeric input: 1 US gal = 3.785411784 L · 1 Imperial gal = 4.54609 L.

Conversion summary

1 gal = 0.832674184629 imp gal

Formula
Imperial Gallon = US Liquid Gallon ÷ 1.2009499255
Category
Volume
Units
gal → imp gal

1 gal in other units

Values update with the converter above. Select a row to open that conversion's detailed page.

Metric

  • Cubic meter0.003785412 m³
  • Liter3.785412 L
  • Milliliter3,785.412 mL
  • Deciliter37.85412 dL
  • Centiliter378.5412 cL
  • Cubic centimeter3,785.412 cm³

US / Imperial

Kitchen measures

  • Metric Tablespoon (15 mL)252.3608 tbsp
  • Metric Teaspoon (5 mL)757.0824 tsp
  • Turkish Water Glass18.92706 glass

Traditional and regional

  • Kile0.1023084 kile
  • Shinik0.4092337 shinik

How do you convert US liquid gallons to imperial gallons?

To convert US liquid gallons to imperial gallons, divide the number of US liquid gallons by 1.2009499255. 1 gal = 0.832674 imp gal.

Conversion formula

Imperial Gallon = US Liquid Gallon ÷ 1.2009499255

US Liquid Gallons to imperial gallons conversion table

US Liquid Gallons (gal)Imperial Gallons (imp gal)
1 gal0.832674 imp gal
2 gal1.66535 imp gal
5 gal4.16337 imp gal
10 gal8.32674 imp gal
20 gal16.6535 imp gal
50 gal41.6337 imp gal
100 gal83.2674 imp gal

What is US Liquid Gallon?

US Liquid Gallon is a volume unit used for liquids, containers, storage and technical capacity calculations.

Short history of US Liquid Gallon

The US liquid gallon descends from the English wine gallon of 231 cubic inches, which the United States kept after Britain introduced the larger imperial gallon in 1824. It equals 3.785411784 liters.

Open the US Liquid Gallon unit guide

What is Imperial Gallon?

Imperial Gallon is a volume unit used for liquids, containers, storage and technical capacity calculations.

Short history of Imperial Gallon

The imperial gallon was introduced by the British Weights and Measures Act of 1824, originally defined as the volume of 10 pounds of water. Today it is exactly 4.54609 liters.

Open the Imperial Gallon unit guide

Frequently asked questions

What is 1 US Liquid Gallon in Imperial Gallon?

1 gal = 0.832674184629 imp gal.

How do you convert US Liquid Gallon to Imperial Gallon?

To convert US liquid gallons to imperial gallons, divide the number of US liquid gallons by 1.2009499255. 1 gal = 0.832674 imp gal.

Frequently asked questions

How many imperial gallons are in 1 US liquid gallon?

1 gal = 0.832674 imp gal.

How do you convert US liquid gallons to imperial gallons?

To convert US liquid gallons to imperial gallons, divide the number of US liquid gallons by 1.2009499255. 1 gal = 0.832674 imp gal.

How many US liquid gallons are in 1 imperial gallon?

1 imp gal = 1.20095 gal.

Sources

  1. BIPM: The International System of Units (SI Brochure)
  2. NIST: Guide to the SI: Units Outside the SI
  3. NIST: Guide to the SI: Volume Conversion Factors
  4. NIST: Guide for the Use of the International System of Units

Other languages

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