Quart to Gallon Converter
Quickly and accurately convert volume measurements from quarts to gallons with our free online Quart to Gallon Converter. Perfect for cooking, laboratory work, and more.
Common Conversions
| US Quarts (qt) | US Gallons (gal) |
|---|---|
| 1 qt | 0.25 gal |
| 2 qt | 0.5 gal |
| 3 qt | 0.75 gal |
| 4 qt | 1 gal |
| 8 qt | 2 gal |
| 12 qt | 3 gal |
| 20 qt | 5 gal |
| 40 qt | 10 gal |
How It Works
Converting from quarts to gallons is a common volume conversion, especially when working with recipes, laboratory measurements, or when converting between different container sizes.
Conversion Formula:
1 US quart = 0.25 US gallons
To convert US quarts to US gallons, divide the quart value by 4 (or multiply by 0.25):
US Gallons = US Quarts ÷ 4 = US Quarts × 0.25
Example Calculation:
To convert 12 US quarts to US gallons:
US Gallons = 12 qt ÷ 4 = 12 qt × 0.25 = 3 gal
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 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 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’s the difference between US and UK quarts and gallons?
The US quart (0.946353 L) is smaller than the UK (imperial) quart (1.13652 L). Similarly, the US gallon (3.78541 L) is smaller than the UK gallon (4.54609 L). This converter uses US measurements, which are standard in the United States.
Why would I need to convert quarts to gallons?
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 combine smaller volumes into a larger container. For example, if you have several quart containers and want to know how many gallons they make together.
How accurate is this converter?
Our converter uses the standard conversion factor of 0.25 gallons per quart, 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 division by 4.
How do I convert gallons back to quarts?
To convert from US gallons to US quarts, multiply the gallon value by 4. Alternatively, you can use our Gallon to Quart Converter for quick and accurate conversions.