Gallon to Quart Formula
The complete formula for converting gallons (gal) to quarts (qt). See the formula, how it works, and worked examples below.
gal × 4 = qt
How the Formula Works
To convert gallons to quarts, multiply the value by 4. This works because 1 gallon equals 4 quarts.
Worked Examples
1 gal to qt
- Start with 1 gal
- Multiply by 4: 1 × 4 = 4
- Result: 1 gal = 4 qt
5 gal to qt
- Start with 5 gal
- Multiply by 4: 5 × 4 = 20
- Result: 5 gal = 20 qt
10 gal to qt
- Start with 10 gal
- Multiply by 4: 10 × 4 = 40
- Result: 10 gal = 40 qt
50 gal to qt
- Start with 50 gal
- Multiply by 4: 50 × 4 = 200
- Result: 50 gal = 200 qt
100 gal to qt
- Start with 100 gal
- Multiply by 4: 100 × 4 = 400
- Result: 100 gal = 400 qt
Reverse Formula: Quart to Gallon
qt ÷ 4 = gal
See the full Quart to Gallon formula for worked examples.
Related
Frequently Asked Questions
The formula is: gal × 4 = qt. See the worked examples above for step-by-step breakdowns, or use the Gallon to Quart converter for instant results.
10 gallons = 40 quarts. Apply the formula: gal × 4 = qt.