Convert Quart (US) (qt (US)) to Gallon (UK) (gal (UK)) instantly.
Quart (US) to Gallon (UK) conversion
1 Quart (US) (qt (US)) = 0.20816854 Gallon (UK) (gal (UK)). To convert Quart (US) to Gallon (UK), multiply the value by 0.20816854.
| Quart (US) (qt (US)) | Gallon (UK) (gal (UK)) |
|---|---|
| 1 | 0.20816854 |
| 2 | 0.41633707 |
| 5 | 1.0408427 |
| 10 | 2.0816854 |
| 25 | 5.2042134 |
| 50 | 10.408427 |
| 100 | 20.816854 |
| 1000 | 208.16854 |
Frequently asked questions
How many Gallon (UK) are in one Quart (US)?
One Quart (US) (qt (US)) equals 0.20816854 Gallon (UK) (gal (UK)).
How do I convert Quart (US) to Gallon (UK)?
To convert Quart (US) to Gallon (UK), multiply the value by 0.20816854.
What is 10 Quart (US) in Gallon (UK)?
10 Quart (US) = 2.0816854 Gallon (UK).
About these units
Quart (US) (qt (US))
A US quart equals 32 US fluid ounces or 946 milliliters, exactly 1/4 of a US gallon. It is commonly used for milk, juice, motor oil, and household chemicals. The quart's convenient scale makes it ideal for medium-sized liquid quantities—larger than a pint but smaller than a gallon. It remains widely used in American kitchens, automotive maintenance, and everyday shopping. Like other US customary units, the quart persists because consumers and industries have longstanding infrastructures built around it.
Gallon (UK) (gal (UK))
The UK gallon, defined as 4.54609 liters, is larger than the US gallon by nearly 20%. It originated from the British desire to standardize wine and ale measures, leading to a uniform definition during the 19th century. Today, the UK gallon appears in older recipes, fuel consumption discussions, and British Commonwealth trade documents. Although the UK now uses liters for petrol and milk, the gallon remains culturally familiar, especially in automotive contexts such as miles per gallon (MPG), where both imperial and US definitions cause frequent confusion. The UK gallon's legacy persists through its continued use in some Commonwealth nations and specialized industries where imperial measures remain customary.