How to convert US quarts to imperial gallons
gal (UK) = qt × 0.2081685462Multiply the value in US quarts by 0.2081685462. To go the other way, multiply by 4.803799702 (or divide by 0.2081685462).
An US quart is smaller than an imperial gallon: it takes 4.803799702 US quarts to make one imperial gallon.
Worked examples
- 1 US quart1 qt × 0.2081685462 = 0.2081685462 gal (UK)
- 5 US quarts5 qt × 0.2081685462 = 1.040842731 gal (UK)
- 10 US quarts10 qt × 0.2081685462 = 2.081685462 gal (UK)
- 20 US quarts20 qt × 0.2081685462 = 4.163370923 gal (UK)
- 100 US quarts100 qt × 0.2081685462 = 20.81685462 gal (UK)
US quarts to imperial gallons conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| US quarts (qt) | Imperial gallons (gal (UK)) |
|---|---|
| 0.1 qt | 0.020816855 gal (UK) |
| 0.25 qt | 0.052042137 gal (UK) |
| 0.5 qt | 0.10408427 gal (UK) |
| 1 qt | 0.20816855 gal (UK) |
| 2 qt | 0.41633709 gal (UK) |
| 3 qt | 0.62450564 gal (UK) |
| 4 qt | 0.83267418 gal (UK) |
| 5 qt | 1.0408427 gal (UK) |
| 6 qt | 1.2490113 gal (UK) |
| 7 qt | 1.4571798 gal (UK) |
| 8 qt | 1.6653484 gal (UK) |
| 9 qt | 1.8735169 gal (UK) |
| 10 qt | 2.0816855 gal (UK) |
| US quarts (qt) | Imperial gallons (gal (UK)) |
|---|---|
| 12 qt | 2.4980226 gal (UK) |
| 15 qt | 3.1225282 gal (UK) |
| 20 qt | 4.1633709 gal (UK) |
| 25 qt | 5.2042137 gal (UK) |
| 30 qt | 6.2450564 gal (UK) |
| 40 qt | 8.3267418 gal (UK) |
| 50 qt | 10.408427 gal (UK) |
| 75 qt | 15.612641 gal (UK) |
| 100 qt | 20.816855 gal (UK) |
| 250 qt | 52.042137 gal (UK) |
| 500 qt | 104.08427 gal (UK) |
| 1,000 qt | 208.16855 gal (UK) |
About the units
US quart (qt)
A quarter of a US gallon: 0.946352946 L, or two US pints. One US quart equals 0.000946352946 cubic meters (m³).
Imperial gallon (gal (UK))
Exactly 4.54609 L, about 1.2 US gallons. Used in the UK for fuel economy (mpg) figures. One imperial gallon equals 0.00454609 cubic meters (m³).
Frequently asked questions
How many imperial gallons are in one US quart?
There are 0.2081685462 imperial gallons in one US quart, and this value is exact by definition.
How do I convert US quarts to imperial gallons?
Multiply the number of US quarts by 0.2081685462. For example, 10 qt × 0.2081685462 = 2.081685462 gal (UK).
How many US quarts are in one imperial gallon?
One imperial gallon equals 4.803799702 US quarts. That is the reverse factor, 1 ÷ 0.2081685462.
What is 10 US quarts in imperial gallons?
10 qt = 2.081685462 gal (UK).
Is this qt to gal (UK) converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.
Convert US quarts to other units
- US quarts to liters
- US quarts to milliliters
- US quarts to US gallons
- US quarts to US cups
- US quarts to US fluid ounces
- US quarts to US tablespoons
- US quarts to US teaspoons
- US quarts to US pints
- US quarts to metric cups
- US quarts to imperial pints
Convert other units to imperial gallons
- Liters to imperial gallons
- Milliliters to imperial gallons
- US gallons to imperial gallons
- US pints to imperial gallons
- US cups to imperial gallons
- US fluid ounces to imperial gallons
- US tablespoons to imperial gallons
- US teaspoons to imperial gallons
- Metric cups to imperial gallons
- Imperial pints to imperial gallons
- Cubic meters to imperial gallons
- Cubic centimeters to imperial gallons
- Cubic feet to imperial gallons
- Cubic inches to imperial gallons
- Cubic yards to imperial gallons
- Barrels to imperial gallons