To convert a quart measurement to a gallon measurement, divide the volume by the conversion ratio.

Since one gallon is equal to 4 quarts, you can use this simple formula to convert:


Quarts and gallons are both units used to measure volume. Keep reading to learn more about each unit of measure.

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Quarts

The US liquid quart is a unit of fluid volume equal to one fourth of a gallon, two pints, or four cups. The liquid quart should not be confused with the dry quart (US) or the imperial quart, which are different units.

The quart is a US customary unit of volume. Quarts can be abbreviated as qt; for example, 1 quart can be written as 1 qt.

Gallons

The US liquid gallon is a unit of fluid volume equal to four quarts, eight pints, or sixteen cups.

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<1> The US liquid gallon should not be confused with the US dry gallon or the imperial gallon, which are different units of measure.

The gallon is a US customary unit of volume. Gallons can be abbreviated as gal; for example, 1 gallon can be written as 1 gal.


Quart to Gallon Conversion Table

Quart measurements converted to gallonns Quartns Gallons
1 qt 0.25 gal
2 qt 0.5 gal
3 qt 0.75 gal
4 qt 1 gal
5 qt 1.25 gal
6 qt 1.5 gal
7 qt 1.75 gal
8 qt 2 gal
9 qt 2.25 gal
10 qt 2.5 gal
11 qt 2.75 gal
12 qt 3 gal
13 qt 3.25 gal
14 qt 3.5 gal
15 qt 3.75 gal
16 qt 4 gal
17 qt 4.25 gal
18 qt 4.5 gal
19 qt 4.75 gal
20 qt 5 gal
21 qt 5.25 gal
22 qt 5.5 gal
23 qt 5.75 gal
24 qt 6 gal
25 qt 6.25 gal
26 qt 6.5 gal
27 qt 6.75 gal
28 qt 7 gal
29 qt 7.25 gal
30 qt 7.5 gal
31 qt 7.75 gal
32 qt 8 gal
33 qt 8.25 gal
34 qt 8.5 gal
35 qt 8.75 gal
36 qt 9 gal
37 qt 9.25 gal
38 qt 9.5 gal
39 qt 9.75 gal
40 qt 10 gal

References

National Institute of Standards and Technology, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices, Handbook 44 - 2019 Edition, https://nvlpubs.nist.gov/nistpubs/hb/2019/NIST.HB.44-2019.pdf
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