Gallon to Quart Converter | Converter Tools Kit

Gallon to Quart Converter

Quickly and accurately convert volume measurements from gallons to quarts with our free online Gallon to Quart Converter. Perfect for cooking, laboratory work, and more.

Convert

gal
qt
Result
Precision: 9 decimal places
1 gallon = 4 quarts

1 US gallon = 4 US quarts

Common Conversions

US Gallons (gal) US Quarts (qt)
0.25 gal 1 qt
0.5 gal 2 qt
0.75 gal 3 qt
1 gal 4 qt
2 gal 8 qt
5 gal 20 qt
10 gal 40 qt
25 gal 100 qt

How It Works

Converting from gallons to quarts is a common volume conversion, especially when working with recipes, laboratory measurements, or when converting between different container sizes.

Conversion Formula:

1 US gallon = 4 US quarts

To convert US gallons to US quarts, multiply the gallon value by 4:

US Quarts = US Gallons × 4

Example Calculation:

To convert 2.5 US gallons to US quarts:

US Quarts = 2.5 gal × 4 = 10 qt

Our converter handles this calculation automatically and provides results with up to 9 decimal places for precision. It also formats the result to remove unnecessary trailing zeros for better readability.

US Customary Volume Measurement Hierarchy:

  • 1 gallon = 4 quarts
  • 1 quart = 2 pints
  • 1 pint = 2 cups
  • 1 cup = 8 fluid ounces
  • 1 fluid ounce = 2 tablespoons
  • 1 tablespoon = 3 teaspoons

Frequently Asked Questions

What is a US gallon?

A US gallon (gal) is a unit of volume in the US customary system, equal to 4 quarts, 8 pints, or 128 fluid ounces. It’s approximately 3.78541 liters. Gallons are commonly used in the United States for measuring larger volumes of liquids, such as fuel, milk, and water.

What is a US quart?

A US quart (qt) is a unit of volume in the US customary system, equal to 2 pints, 4 cups, or 32 fluid ounces. It’s approximately 0.946353 liters. Quarts are commonly used in the United States for measuring liquids in cooking, for milk and other beverages, and for various household products.

What’s the difference between US and UK gallons and quarts?

The US gallon (3.78541 L) is smaller than the UK (imperial) gallon (4.54609 L). Similarly, the US quart (0.946353 L) is smaller than the UK quart (1.13652 L). This converter uses US measurements, which are standard in the United States.

Why would I need to convert gallons to quarts?

This conversion is commonly needed when following recipes that use different units of measurement, when scaling recipes up or down, or when you need to divide a larger volume into smaller containers. For example, if you have a recipe that calls for ingredients in quarts but you’re measuring from a gallon container.

How accurate is this converter?

Our converter uses the standard conversion factor of 4 quarts per gallon, which is exact in the US customary system. The calculator can display results with up to 9 decimal places for high precision needs, though for this particular conversion, decimal places are rarely needed since the conversion is a simple multiplication by 4.

How do I convert quarts back to gallons?

To convert from US quarts to US gallons, divide the quart value by 4 (or multiply by 0.25). Alternatively, you can use our Quart to Gallon Converter for quick and accurate conversions.