US Gallons to Quarts
Convert us gallons (gal) to quarts (qt) instantly — with formula and reference table.
gal
qt
Quick answer: 1 gal = 4 qt. To convert us gallons to quarts, multiply by gal × 4.
Converting us gallons to quarts
This converter changes a value in us gallons (gal) into quarts (qt). One us gallon equals 4 qt. One US gallon equals 4 quarts. The conversion runs entirely in your browser — enter a value and the result updates instantly, in either direction.
Formula
qt = gal × 4
Example
Convert 10 gal to qt: 10 × 4 = 40 qt.
US Gallons to Quarts conversion table
| US Gallons (gal) | Quarts (qt) |
|---|---|
| 1 gal | 4 qt |
| 2 gal | 8 qt |
| 3 gal | 12 qt |
| 5 gal | 20 qt |
| 10 gal | 40 qt |
| 20 gal | 80 qt |
| 25 gal | 100 qt |
| 50 gal | 200 qt |
| 100 gal | 400 qt |
How to use this converter
- Enter a value in the us gallons (gal) field.
- Read the converted value in quarts (qt) below.
- Type into the qt field instead to convert in reverse, or use the swap button.
Frequently asked questions
How many quarts are in a gallon?
1 US gallon equals 4 quarts.
How do I convert 3 gallons to quarts?
3 times 4 = 12 quarts.
How many quarts in half a gallon?
Half a gallon is 2 quarts.