Convert gallons to quarts
Enter the number of gallons that you want to convert to quarts.
How to Convert Gallons to Quarts
The us gallon and us quart are both units of volume. By definition, 1 us gallon equals exactly 4 quarts. This means to convert gallons to quarts, you multiply by 4.
Formula
Step-by-Step Example
Convert 5 gal to quarts:
We need to convert gallons to quarts
Since 1 gal = 4 qt, multiply by 4
5 × 4 = 20
5 gal = 20 qt
US Gallon to US Quart Conversion Table
Quick reference table for common us gallon to us quart conversions. Click any value for detailed calculation.
| Gallons (gal) | Quarts (qt) |
|---|---|
| 1 gal | 4 qt |
| 2 gal | 8 qt |
| 5 gal | 20 qt |
| 10 gal | 40 qt |
| 15 gal | 60 qt |
| 20 gal | 80 qt |
| 25 gal | 100 qt |
| 50 gal | 200 qt |
| 100 gal | 400 qt |
About These Units
US Gallon (gal)
A US gallon (gal) equals 128 fluid ounces, 4 quarts, 8 pints, or 3.785 liters. Gallons are the standard for fuel prices, milk containers, and paint cans in the United States. A US gallon is smaller than an Imperial gallon (4.546 L). One gallon of water weighs 8.34 pounds.
US Quart (qt)
A US quart (qt) equals 32 fluid ounces, 2 pints, 4 cups, or 0.946 liters. Quarts commonly measure motor oil, milk, and cooking liquids in the United States. There are 4 quarts in a gallon. A quart is slightly less than a liter.
Frequently Asked Questions
How do I convert gallons to quarts?
To convert gallons to quarts, multiply the value by 4. For example, 10 gal = 40 qt.
How many quarts are in 1 us gallon?
1 us gallon equals 4 quarts.
What is the formula for gallons to quarts?
The formula is: qt = gal × 4.