Unit Converter — Free Online
Convert between length, weight, temperature, volume, speed, area, and digital units.
How to Convert Quarts to Gallons
Divide the quart value by 4. There are exactly 4 US quarts in one US gallon.
Quarts to Gallons Conversion Table
| Quarts | Gallons |
|---|---|
| 0.5 | 0.125 |
| 1 | 0.25 |
| 2 | 0.5 |
| 5 | 1.25 |
| 10 | 2.5 |
| 15 | 3.75 |
| 20 | 5 |
| 25 | 6.25 |
| 50 | 12.5 |
| 100 | 25 |
| 250 | 62.5 |
| 500 | 125 |
| 1000 | 250 |
How Many Gallons in a Quart?
1 quart equals 0.25 gallons. To convert any value, multiply the number of quarts by 0.25.
Common Use Cases
Homebrewers scaling recipes convert quarts to gallons to determine batch sizes. A recipe that produces 20 quarts of beer equals 5 gallons, which is the standard homebrew batch size. Understanding this conversion helps brewers select the right fermenter size and calculate ingredient quantities when scaling recipes up or down.
Daycare centers and school cafeterias tracking milk consumption convert quart cartons to gallons for ordering. If children consume 48 quarts of milk per week, that equals 12 gallons, and ordering in gallon jugs versus quart cartons can reduce cost by 15-25% while simplifying delivery logistics and storage requirements.
Swimming pool maintenance professionals convert chemical treatment volumes from quarts to gallons. Adding 6 quarts of liquid chlorine (1.5 gallons) to a 20,000-gallon pool achieves the proper concentration, and pool supply stores sell chemicals in gallon containers, making this conversion necessary for accurate purchasing and dosing.