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1 Gallon to Quarts

1 gallon is 4 quarts. See the step-by-step breakdown and reference table below, or try a different value in the calculator.

1 gal = 4 qt
gal × 4 = qt
Try: 2 gal to qt 6 gal to qt
1 gal is also
1 gal = 3.79 L 1 gal = 3,785.41 mL 1 gal = 16 cup 1 gal = 128 fl oz 1 gal = 8 pt 1 gal = 256 tbsp 1 gal = 768 tsp
gal
4 qt

Step-by-Step Calculation

gal × 4 = qt
  1. Start with 1 gal
  2. Multiply by 4: 1 × 4 = 4
  3. Result: 1 gal = 4 qt

This conversion factor (4) is the same for every gallon to quart calculation.

Gallon to Quart Conversion Table

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
75 gal 300 qt
100 gal 400 qt
250 gal 1,000 qt
500 gal 2,000 qt
1,000 gal 4,000 qt
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Frequently Asked Questions

1 gallon equals 4 quarts.
The formula is: gal × 4 = qt. See the gal to qt formula page for worked examples.
Use the quarts to gallon converter. The reverse formula is: qt ÷ 4 = gal.
The calculator uses the full-precision conversion factor for accuracy. Table values and displayed results are rounded for readability.
The conversion formula (gal × 4 = qt) is based on internationally defined standards. Displayed results are rounded for readability, while the calculator uses the full-precision factor.
person Written by Sean Day verified Reviewed by UnitCompare update Last updated Mar 28, 2026