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Gallon (UK) to Liter Converter

Unit Converter

Instant · Precise · Universal

THEME
gal (UK)

47 units available

6 categories total

How to Convert Gallon (UK) to Liter

To liters: multiply by 4.54609. To US gallons: multiply by 1.20095. To cubic meters: multiply by 0.00454609.

1 UK gal = 4 UK qt = 8 UK pt = 160 UK fl oz = 4.54609 L ≈ 1.201 US gal.

For example, 1 Gallon (UK) (gal (UK)) = 4.54609 Liter (L).

Gallon (UK) to Liter — Common Values

Gallon (UK) (gal (UK))Liter (L)
0.10.454609
0.52.273045
14.54609
29.09218
522.73045
1045.4609
25113.65225
50227.3045
100454.609
5002273.045
10004546.09

About Gallon (UK) (gal (UK))

Definition

The UK (imperial) gallon is a unit of volume equal to 160 UK fluid ounces, or exactly 4.54609 liters.

Mathematical Relationship

1 UK gal = 4 UK qt = 8 UK pt = 160 UK fl oz = 4.54609 L ≈ 1.201 US gal.

Conversion Formula

To liters: multiply by 4.54609. To US gallons: multiply by 1.20095. To cubic meters: multiply by 0.00454609.

Practical Applications

UK road signs (mpg), older fuel consumption references, and some Caribbean and Middle Eastern markets that still use imperial units.

Interesting Facts

A UK gallon is about 20% larger than a US gallon. A car rated at 40 mpg (UK) gets only about 33 mpg (US).

Common Mistakes

Misinterpreting UK mpg as US mpg — UK figures look higher because the imperial gallon is larger.

Educational Tips

UK gallon ≈ 4.55 L ≈ 1.2 US gallons. The UK gallon was defined so that 1 gallon of water = 10 pounds.

About Liter (L)

Definition

The liter is a metric unit of volume equal to 1,000 cubic centimeters (1 dm³), used worldwide for measuring liquid volumes.

Mathematical Relationship

1 L = 1 dm³ = 10⁻³ m³ = 1,000 mL = 1,000 cm³. One cubic meter contains 1,000 liters.

Conversion Formula

To gallons (US): multiply by 0.264172. To quarts (US): multiply by 1.05669. To fluid ounces (US): multiply by 33.814.

Practical Applications

Fuel volumes, milk/juice containers, water bottles, engine oil, swimming pool volumes, and cooking.

Interesting Facts

One liter of water weighs almost exactly 1 kilogram. The word 'liter' comes from an old French unit called the 'litron' (about 0.831 L).

Common Mistakes

Assuming 1 liter = 1 US quart — a liter is slightly larger (1 L ≈ 1.057 qt). Also, confusing 'L' with 'lb' (pound).

Educational Tips

A liter is a little over a US quart. A 2-liter soda bottle and a 1-liter water bottle are great visual references.

Frequently Asked Questions

How do I convert Gallon (UK) to Liter?
To liters: multiply by 4.54609. To US gallons: multiply by 1.20095. To cubic meters: multiply by 0.00454609.
What is 1 Gallon (UK) in Liter?
1 Gallon (UK) (gal (UK)) = 4.54609 Liter (L).
What is a Gallon (UK)?
The UK (imperial) gallon is a unit of volume equal to 160 UK fluid ounces, or exactly 4.54609 liters.
What is a Liter?
The liter is a metric unit of volume equal to 1,000 cubic centimeters (1 dm³), used worldwide for measuring liquid volumes.
Where is Gallon (UK) used in everyday life?
UK road signs (mpg), older fuel consumption references, and some Caribbean and Middle Eastern markets that still use imperial units.
What are common mistakes when converting Gallon (UK)?
Misinterpreting UK mpg as US mpg — UK figures look higher because the imperial gallon is larger.

Other Volume Conversions

Convert Gallon (UK) to All Volume Units

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