ToolNestGallons to Quarts Converter
Convert gallons to quarts instantly with our free volume converter. 1 gallon = 4 qt — type any value below and the result updates live.
Gallons to Quarts Formula
Quarts = Gallons × 4 (Gallons = Quarts × 0.25)
Volume conversion for cooking, fuel, and engineering — metric liters and milliliters alongside US customary gallons, quarts, pints, cups, and fluid ounces.
Gallons to Quarts Conversion Table
| Gallons | Quarts | |
|---|---|---|
| 1 gal | = | 4 qt |
| 2 gal | = | 8 qt |
| 5 gal | = | 20 qt |
| 10 gal | = | 40 qt |
| 25 gal | = | 100 qt |
| 50 gal | = | 200 qt |
| 100 gal | = | 400 qt |
About Gallons and Quarts
A US gallon is 128 fluid ounces (3.78541 liters) — the unit for gasoline, milk, and water heaters across America.
A US quart is a quarter-gallon (946.353 ml) — two pints. Common for milk jugs, motor oil, and paint.
Frequently Asked Questions
How many quarts are in one gallon?
One gallon equals 4 quarts. Multiply any gallons value by 4 to convert it.
What is the formula for converting gallons to quarts?
Quarts = Gallons × 4. To reverse it: gallons = quarts × 0.25.
How do I convert quarts back to gallons?
Divide the quarts value by 4 (equivalently, multiply by 0.25). Or use our quarts-to-gallons converter going the other way.
Which is bigger, a gallon or a quart?
A gallon is bigger — one gallon equals 4 quarts.