How to convert US gallons to US quarts
qt = gal × 4Multiply the value in US gallons by 4. To go the other way, multiply by 0.25 (or divide by 4).
An US gallon is larger than an US quart: one US gallon contains 4 US quarts.
Worked examples
- 1 US gallon1 gal × 4 = 4 qt
- 5 US gallons5 gal × 4 = 20 qt
- 10 US gallons10 gal × 4 = 40 qt
- 20 US gallons20 gal × 4 = 80 qt
- 100 US gallons100 gal × 4 = 400 qt
US gallons to US quarts conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| US gallons (gal) | US quarts (qt) |
|---|---|
| 0.1 gal | 0.4 qt |
| 0.25 gal | 1 qt |
| 0.5 gal | 2 qt |
| 1 gal | 4 qt |
| 2 gal | 8 qt |
| 3 gal | 12 qt |
| 4 gal | 16 qt |
| 5 gal | 20 qt |
| 6 gal | 24 qt |
| 7 gal | 28 qt |
| 8 gal | 32 qt |
| 9 gal | 36 qt |
| 10 gal | 40 qt |
| US gallons (gal) | US quarts (qt) |
|---|---|
| 12 gal | 48 qt |
| 15 gal | 60 qt |
| 20 gal | 80 qt |
| 25 gal | 100 qt |
| 30 gal | 120 qt |
| 40 gal | 160 qt |
| 50 gal | 200 qt |
| 75 gal | 300 qt |
| 100 gal | 400 qt |
| 250 gal | 1,000 qt |
| 500 gal | 2,000 qt |
| 1,000 gal | 4,000 qt |
About the units
US gallon (gal)
Defined as 231 cubic inches, exactly 3.785411784 L. US fuel, milk and paint are sold by the gallon. Four quarts or 128 US fluid ounces. One US gallon equals 0.003785411784 cubic meters (m³).
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).
Frequently asked questions
How many US quarts are in one US gallon?
There are 4 US quarts in one US gallon, and this value is exact by definition.
How do I convert US gallons to US quarts?
Multiply the number of US gallons by 4. For example, 10 gal × 4 = 40 qt.
How many US gallons are in one US quart?
One US quart equals 0.25 US gallons. That is the reverse factor, 1 ÷ 4.
What is 10 US gallons in US quarts?
10 gal = 40 qt.
Is this gal to qt 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.