Quart to Gallon (UK) Conversion Calculator: Free Online Tool
Convert quarts to UK gallons with our free online volume converter.
Quart to Gallon (UK) Calculator
How to Use the Calculator:
- Enter the value you want to convert in the 'From' field (Quart).
- The converted value in Gallon (UK) will appear automatically in the 'To' field.
- Use the dropdown menus to select different units within the Volume category.
- Click the swap button (⇌) to reverse the conversion direction.
How to Convert Quart to Gallon (UK)
Converting Quart to Gallon (UK) involves multiplying the value by a specific conversion factor, as shown in the formula below.
Formula:
1 Quart = 0.208169 UK gallonsExample Calculation:
Convert 10 quarts: 10 × 0.208169 = 2.081685 UK gallons
Disclaimer: For Reference Only
These conversion results are provided for informational purposes only. While we strive for accuracy, we make no guarantees regarding the precision of these results, especially for conversions involving extremely large or small numbers which may be subject to the inherent limitations of standard computer floating-point arithmetic.
Not for professional use. Results should be verified before use in any critical application. View our Terms of Service for more information.
What is a Quart and a Gallon (UK)?
The US liquid quart (symbol qt US) is a unit of volume in the United States customary units system. It is equal to one-quarter of a US gallon, which is exactly 57.75 cubic inches or approximately 0.946 liters. It is commonly used for measuring medium quantities of liquids, such as milk, oil, and juices.
The UK gallon (Imperial gallon) is a unit of volume defined as 4.54609 litres.
Note: The Quart is part of the imperial/US customary system, primarily used in the US, UK, and Canada for everyday measurements. The Gallon (UK) belongs to the imperial/US customary system.
History of the Quart and Gallon (UK)
The quart, meaning 'quarter part' (of a gallon), shares its history with the gallon. The US liquid quart is derived from the English wine gallon (231 cubic inches), making it distinct from the Imperial quart used elsewhere, which is based on the larger Imperial gallon.
The Imperial gallon was defined based on the volume of 10 pounds of distilled water weighed in air with brass weights with the barometer standing at 30 inches of mercury and at a temperature of 62 °F.
Common Uses for quarts and UK gallons
Explore the typical applications for both Quart (imperial/US) and Gallon (UK) (imperial/US) to understand their common contexts.
Common Uses for quarts
- US Beverages: Selling milk, juice, and other beverages in the US.
- Automotive: Measuring motor oil.
- Culinary: Cooking and recipe measurements, particularly for liquids.
- Gardening: Gardening (measuring soil, water).
Common Uses for UK gallons
- Fuel Measurement: Used for measuring fuel (petrol, diesel) in the UK and some Commonwealth countries.
- Beverages: Selling milk and other beverages in large containers in the UK.
- Household Liquids: Measuring paint and other household liquids.
- Pools & Water: Pool capacity and water usage measurements in the UK.
- Industry: Some industrial applications in countries using the Imperial system.
Frequently Asked Questions
Questions About Quart (qt)
How many pints are in a US quart?
There are exactly 2 US liquid pints in 1 US liquid quart.
How many cups are in a US quart?
There are exactly 4 US customary cups in 1 US liquid quart.
Is a US quart the same as an Imperial quart?
No. The US liquid quart (≈ 0.946 L) is smaller than the Imperial quart (≈ 1.136 L).
About Gallon (UK) (gal)
Is a UK gallon the same as a US gallon?
No, the UK (Imperial) gallon is defined as 4.54609 liters, while the US liquid gallon is defined as 3.785411784 liters. The UK gallon is approximately 20% larger than the US gallon.
How many pints are in a UK gallon?
There are exactly 8 Imperial pints in 1 UK (Imperial) gallon. This is the same number as in the US system, but since the Imperial pint is larger than the US pint, the total volume differs.
When did the UK adopt the Imperial gallon?
The Imperial gallon was established in 1824 as part of the British Weights and Measures Act, which standardized various units throughout the British Empire. Prior to this standardization, several different gallon measures were in use for different purposes.
Conversion Table: Quart to Gallon (UK)
| Quart (qt) | Gallon (UK) (gal) |
|---|---|
| 1 | 0.208 |
| 5 | 1.041 |
| 10 | 2.082 |
| 25 | 5.204 |
| 50 | 10.408 |
| 100 | 20.817 |
| 500 | 104.084 |
| 1,000 | 208.169 |