Quarts to Gallons Converter
Convert US quarts to US gallons instantly. One US quart equals exactly 0.25 US gallons. Type in either box to convert both ways, then use the chart, worked examples and everyday sizes below.
How to convert US quarts to US gallons
Worked example: convert 64 US quarts to US gallons. Using US gallons ← US quarts ÷ 4, we get 64 × 0.25 = 16 gal. To check the result, convert back: 16 gal ÷ 0.25 = 64 qt.
Us quarts to US gallons chart
| Us quarts (qt) | Us gallons (gal) |
|---|---|
| 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 |
| 8 qt | 2 gal |
| 10 qt | 2.5 gal |
| 12 qt | 3 gal |
| 15 qt | 3.75 gal |
| 20 qt | 5 gal |
| 25 qt | 6.25 gal |
| 30 qt | 7.5 gal |
| 40 qt | 10 gal |
| 50 qt | 12.5 gal |
| 75 qt | 18.75 gal |
| 100 qt | 25 gal |
| 150 qt | 37.5 gal |
| 200 qt | 50 gal |
| 250 qt | 62.5 gal |
| 500 qt | 125 gal |
| 1,000 qt | 250 gal |
Us gallons to US quarts (reverse)
| Us gallons (gal) | Us quarts (qt) |
|---|---|
| 1 gal | 4 qt |
| 2 gal | 8 qt |
| 5 gal | 20 qt |
| 10 gal | 40 qt |
| 20 gal | 80 qt |
| 50 gal | 200 qt |
| 100 gal | 400 qt |
| 250 gal | 1,000 qt |
| 500 gal | 2,000 qt |
| 1,000 gal | 4,000 qt |
About the US quart and the US gallon
A US liquid quart is a quarter of a gallon, or 946.353 milliliters. It is the container size for motor oil, milk and paint in the United States; the imperial quart is 1.1365 liters.
The US liquid gallon divides into 4 quarts, 8 pints or 16 cups. It is the unit on US fuel pumps and for milk jugs; the UK imperial gallon is about 20% larger.
One US gallon equals 4 US quarts, which makes the US gallon the larger unit of the two.
Everyday sizes in US quarts and US gallons
| Everyday example (approximate) | In US quarts | In US gallons |
|---|---|---|
| A large water bottle | 1.0567 qt | 0.26417 gal |
| A 2-liter soft drink bottle | 2.1134 qt | 0.52834 gal |
| A bucket | 10.567 qt | 2.6417 gal |
| A car fuel tank | 52.834 qt | 13.209 gal |
| A bathtub filled for a bath | 158.5 qt | 39.626 gal |
| A hot-water cylinder | 211.34 qt | 52.834 gal |
Us quarts to US gallons FAQ
How many US gallons are in one US quart?
One US quart equals exactly 0.25 US gallons. In the other direction, one US gallon equals 4 US quarts.
How do I convert US quarts to US gallons without a calculator?
convert 64 US quarts to US gallons. Using US gallons ← US quarts ÷ 4, we get 64 × 0.25 = 16 gal. To check the result, convert back: 16 gal ÷ 0.25 = 64 qt. For a quick estimate, round the factor to 0.25. Then 64 qt is about 16 gal, compared with the exact 16 gal (an error of 0%). That is close enough for planning, but use the calculator above when the number matters.
What is a bathtub filled for a bath in US gallons?
A bathtub filled for a bath is about 158.5 US quarts, which is 39.626 US gallons. Treat that as an approximate everyday figure rather than an official measurement.
Are the US quarts and US gallons the same in every country?
The US liquid quart is 0.946353 L and the imperial quart is 1.13652 L. The US gallon is exactly 3.785411784 L and the UK imperial gallon is 4.54609 L.