Convert Quart (US qt) (qt) to Imperial gallon (gal UK) (gal_uk)

Category: Volume

2.081685 gal_uk

10 qt = 2.081685 gal_uk

High-precision rounding: 6 decimals


How to convert quart (us qt) to imperial gallon (gal uk)

We convert by pivoting through the SI base unit for Volume and applying exact factors where applicable.

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Quick conversion table

Handy values for Quart (US qt) → Imperial gallon (gal UK). Click a value to open that exact result.

Quart (US qt) Imperial gallon (gal UK)
10 2.081685
0.5 0.104084
2.5 0.520421

Conversion formula

Linear unit conversions use standardized factors; many are exact by definition (e.g., 1 in = 25.4 mm, 1 ft = 0.3048 m).

Common mistakes

  • Mixing US gallons (3.785 L) with Imperial gallons (4.546 L).
  • Assuming kitchen ‘cup’ equals the same volume in every country.

Unit facts

  • Quart (US qt): A US quart is exactly 0.946352946 L (¼ gallon), often used in recipes and motor oil.
  • Imperial gallon (gal UK): The Imperial gallon is exactly 4.54609 L; still used in the UK for beer, milk, and fuel economy.

About Volume

Volume measures the space a substance occupies. SI uses cubic meters and liters; customary units like gallons, quarts, and pints persist in recipes, fuel, and containers. Accurate volume work often requires temperature and density considerations (e.g., for fuels).

About Quart (US qt)

Quart (US qt)

Equals 1/4 US gallon ≈ 0.946352946 L. Handy kitchen and container size.

History: Derived from quarter-gallon measures in customary systems.

About Imperial gallon (gal UK)

Imperial gallon (UK)

Exactly 4.54609 L. Still appears in UK fuel economy (mpg) and historical tables.

History: Set by the 1824 Weights and Measures Act; differs notably from the US gallon.

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