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5 Gallons to Quarts

5 gallons equals 20 quarts using the gal to qt formula. Scroll down for the full calculation.

5 gal = 20 qt
gal × 4 = qt
Try: 4 gal to qt 6 gal to qt 10 gal to qt
5 gal is also
5 gal = 18.93 L 5 gal = 18,927.06 mL 5 gal = 80 cup 5 gal = 640 fl oz 5 gal = 40 pt 5 gal = 1,280 tbsp 5 gal = 3,840 tsp
gal
20 qt

Formula and Step-by-Step

gal × 4 = qt
  1. Start with 5 gal
  2. Multiply by 4: 5 × 4 = 20
  3. Result: 5 gal = 20 qt

Since 1 gallon equals 4 quarts, multiply any gallon value by 4 to convert.

Other Gallon to Quart Values

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

5 gallons equals 20 quarts.
The formula is: gal × 4 = qt. See the gal to qt formula page for worked examples.
Use the quarts to gallons 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