FromgalUK
ToqtUS

Gallon (UK) to Quart (US) Converter

Unit Converter

Instant · Precise · Universal

THEME
gal (UK)

47 units available

6 categories total

How to Convert Gallon (UK) to Quart (US)

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)) = 4.803799702 Quart (US) (qt (US)).

Gallon (UK) to Quart (US) — Common Values

Gallon (UK) (gal (UK))Quart (US) (qt (US))
0.10.4803799702
0.52.401899851
14.803799702
29.607599404
524.01899851
1048.03799702
25120.0949926
50240.1899851
100480.3799702
5002401.899851
10004803.799702

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 Quart (US) (qt (US))

Definition

The US liquid quart is a unit of volume equal to 32 US fluid ounces, or approximately 946.353 milliliters.

Mathematical Relationship

1 US qt = 2 US pt = 4 US cups = 32 US fl oz = 1/4 US gallon ≈ 946.353 mL.

Conversion Formula

To liters: multiply by 0.946353. To mL: multiply by 946.353. To UK quarts: multiply by 0.832674.

Practical Applications

Buying motor oil (sold by the quart), milk containers, paint coverage calculations, and cooking large recipes.

Interesting Facts

A US quart is slightly less than 1 liter (946 mL vs. 1,000 mL). Saying 'a quart is about a liter' is a useful rough approximation.

Common Mistakes

Assuming a quart equals a liter — it's close but 5.4% smaller. When substituting in recipes, this error accumulates.

Educational Tips

A quart is roughly a liter. 'Quart' comes from 'quarter' — it's 1/4 gallon. Chain: 4 cups → 2 pints → 1 quart → 1/4 gallon.

Frequently Asked Questions

How do I convert Gallon (UK) to Quart (US)?
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 Quart (US)?
1 Gallon (UK) (gal (UK)) = 4.803799702 Quart (US) (qt (US)).
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 Quart (US)?
The US liquid quart is a unit of volume equal to 32 US fluid ounces, or approximately 946.353 milliliters.
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

UntangleTools
UntangleTools
UntangleTools

UntangleTools

© 2026 UntangleTools. All Rights Reserved.