Quart (US) to Gallon (UK) Converter
Unit Converter
Instant · Precise · Universal
47 units available
6 categories total
How to Convert Quart (US) to Gallon (UK)
To liters: multiply by 0.946353. To mL: multiply by 946.353. To UK quarts: multiply by 0.832674.
1 US qt = 2 US pt = 4 US cups = 32 US fl oz = 1/4 US gallon ≈ 946.353 mL.
For example, 1 Quart (US) (qt (US)) = 0.2081685462 Gallon (UK) (gal (UK)).
Quart (US) to Gallon (UK) — Common Values
| Quart (US) (qt (US)) | Gallon (UK) (gal (UK)) |
|---|---|
| 0.1 | 0.02081685462 |
| 0.5 | 0.1040842731 |
| 1 | 0.2081685462 |
| 2 | 0.4163370923 |
| 5 | 1.040842731 |
| 10 | 2.081685462 |
| 25 | 5.204213654 |
| 50 | 10.40842731 |
| 100 | 20.81685462 |
| 500 | 104.0842731 |
| 1000 | 208.1685462 |
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.
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.