Convert Quart (US) to Imperial Gallon
Instantly convert Quart (US) (qt) to Imperial Gallon (gal (UK)). Free and accurate.
About This Conversion
What is a Quart (US) to Imperial Gallon conversion?
One quart (us) (qt) is equal to 0.2081685462 imperial gallon (gal (UK)). This relationship is fixed by international measurement standards and does not change. To convert any number of quart (us) to imperial gallon, multiply your value by 0.2081685462; to go the other way, divide by 0.2081685462.
How to convert Quart (US) to Imperial Gallon
The conversion formula is: 1 qt = 0.2081685462 gal (UK). Enter any value into the converter above and the result updates instantly. The formula is also shown alongside the answer so you can check the working or use it in your own calculations.
Where is this conversion used?
Volume conversions appear in cooking, chemistry, medicine, fuel measurement, and plumbing. The metric system uses litres and millilitres; the imperial system uses pints, gallons, and fluid ounces — and US and UK gallons differ from one another. Pharmacists, bartenders, chemists, plumbers, and fuel engineers routinely convert volumes. Note that a US gallon (3.785 L) and a UK/Imperial gallon (4.546 L) are not the same — always confirm which gallon is intended.
Helpful tip
A standard wine bottle holds 750 mL (0.75 L). A US pint of beer is 473 mL, while a UK pint is 568 mL — nearly 20% larger.
Formula
1 qt = 0.2081685462 gal (UK)
qt to gal (UK) Conversion Table
| qt | gal (UK) |
|---|---|
| 0.1 qt | 0.0208168546 gal (UK) |
| 0.5 qt | 0.1040842731 gal (UK) |
| 1 qt | 0.2081685462 gal (UK) |
| 2 qt | 0.4163370923 gal (UK) |
| 5 qt | 1.04084273 gal (UK) |
| 10 qt | 2.08168546 gal (UK) |
| 20 qt | 4.16337092 gal (UK) |
| 25 qt | 5.20421365 gal (UK) |
| 50 qt | 10.40842731 gal (UK) |
| 100 qt | 20.81685462 gal (UK) |
| 250 qt | 52.04213654 gal (UK) |
| 500 qt | 104.08427308 gal (UK) |
| 1000 qt | 208.16854616 gal (UK) |