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Quarts to Gallons Converter

Convert quarts to gallons using the formula qt ÷ 4 = gal. The calculator below shows higher precision results. The reference table is rounded for readability.

This converter uses US customary quarts and gallons. UK (imperial) quarts and gallons are a different size.

qt
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0.25 gal
qt ÷ 4 = gal
qt to gal formula and worked examples
Try: 1 qt 5 qt 10 qt 50 qt 100 qt

Formula and Step-by-Step

qt ÷ 4 = gal

Step-by-step: 1 qt to gal

  1. Start with 1 qt
  2. Divide by 4: 1 ÷ 4 = 0.25
  3. Result: 1 qt = 0.25 gal

Conversion Table

Common quarts to gallons values. The table and calculator both use the same conversion formula shown above.

Quarts (qt) Gallons (gal)
1 qt 0.25 gal
2 qt 0.5 gal
5 qt 1.25 gal
10 qt 2.5 gal
25 qt 6.25 gal
50 qt 12.5 gal
100 qt 25 gal
250 qt 62.5 gal
500 qt 125 gal
1,000 qt 250 gal

What Are Quarts and Gallons?

What is a Quart?

A US quart is a unit of volume equal to approximately 946.4 milliliters or 2 US pints. A UK (imperial) quart is larger at 1,136.5 milliliters. This converter uses US quarts.

What is a Gallon?

A US gallon is a unit of volume equal to approximately 3.785 liters. Note: a UK (imperial) gallon is larger at 4.546 liters. This converter uses US gallons.

Why convert quarts to gallons?

People convert quarts to gallons when working across different measurement systems.

Frequently Asked Questions

1 US quart equals 0.25 gallons.
The formula is: qt ÷ 4 = gal. See the qt to gal formula page for step-by-step worked examples.
Use the gallons to quarts converter. 1 gal = 4 qt.
Yes. The conversion uses the formula qt ÷ 4 = gal, which is the exact internationally defined standard. Table values are rounded for quick reference.
Apply the formula qt ÷ 4 = gal. For quick estimates, round the factor to a simpler number.
person Written by Sean Day verified Reviewed by UnitCompare update Last updated Mar 28, 2026