How to convert us quarts to imperial gallons
To convert a measurement in us quarts to imperial gallons, multiply the value by 0.208168546157. The conversion factor comes from the relationship between both units and the liter.
For example, to convert 5 qt to imperial gallons: 5 × 0.208168546157 = 1.040843 imp gal.
What is a us quart?
A US quart is a US customary unit of volume equal to one quarter of a gallon, 2 pints, or about 0.946 liters. The quart (from the Latin 'quartus', a fourth) is a quarter of a gallon. In US kitchens it is a common size for milk, stock, and storage containers, sitting just under one liter.
Common uses of us quarts include: Milk and dairy carton sizes in the US; Motor oil and automotive fluids; Cooking stock and liquid quantities; Food storage container sizing.
What is a imperial gallon?
An imperial gallon is a British unit of volume equal to exactly 4.54609 liters, about 20% larger than the US gallon. The imperial gallon was defined in 1824 as the volume of ten pounds of water. It is still used in the UK and several Commonwealth countries, which is why UK 'miles per gallon' figures look higher than US ones.
Common uses of imperial gallons include: Fuel and fuel-economy figures in the UK and Canada; Historical and Commonwealth liquid measures; Comparing UK vs US gallon quantities; Agricultural and industrial liquid volumes.
US Quarts to imperial gallons worked examples
Here are some common values converted:
1 qt = 0.208168546157 imp gal 5 qt = 1.040843 imp gal 10 qt = 2.081685 imp gal 50 qt = 10.408427 imp gal 100 qt = 20.816855 imp gal
Frequently asked questions
How many imperial gallons are in one us quart?
One us quart (qt) equals 0.208168546157 imperial gallons (imp gal). Multiply any value in us quarts by 0.208168546157 to convert to imperial gallons.
How do I convert us quarts to imperial gallons?
Multiply the value in us quarts by 0.208168546157. For example, 5 qt × 0.208168546157 = 1.040843 imp gal.
How do I convert imperial gallons to us quarts?
Multiply the value in imperial gallons by 4.8038, or divide by 0.208168546157. Use the swap button on the converter above to reverse the direction.
Is the us quart to imperial gallon conversion exact?
Conversions between metric volumes are exact by definition. US and imperial volumes are defined exactly relative to the liter, so these factors are exact.
What is the formula for us quarts to imperial gallons?
The formula is: imp gal = qt × 0.208168546157. This comes from the definition of both units relative to the liter.