📏 US quarts to US gallons Converter
Convert us quarts (qt) to us gallons (gal) instantly, with the formula, a worked example and a conversion table.
Quick answer: 1 us quart (qt) = 0.25 us gallons (gal). Formula: gal = qt × 0.25.
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US quarts to US gallons Converter inputs
Result
US quarts to US gallons conversion table
| US quarts (qt) | US gallons (gal) |
|---|---|
| 0.1 qt | 0.025 gal |
| 0.5 qt | 0.125 gal |
| 1 qt | 0.25 gal |
| 2 qt | 0.5 gal |
| 3 qt | 0.75 gal |
| 5 qt | 1.25 gal |
| 10 qt | 2.5 gal |
| 20 qt | 5 gal |
| 25 qt | 6.25 gal |
| 50 qt | 12.5 gal |
| 100 qt | 25 gal |
| 1,000 qt | 250 gal |
Other volume conversions
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How to convert us quarts to us gallons
Multiply the number of us quarts by 0.25 to get us gallons: gal = qt × 0.25.
Example: 5 qt = 1.25 gal.
The us quart (qt) and the us gallon (gal) are both units of volume. Need the opposite direction? Use the gal to qt converter.
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Metric and imperial units
The metric system (SI) is used by almost every country and by science worldwide. Its units scale by powers of ten – 1 kilometer is 1,000 meters, 1 meter is 100 centimeters – which makes conversions inside the system easy. The imperial and US customary systems (inches, feet, pounds, gallons) are still used daily in the United States and partly in the UK.
Since 1959 the inch has been defined as exactly 2.54 centimeters and the pound as exactly 0.45359237 kilograms, so conversions between the two systems are exact. Note that a US gallon (3.785 L) and an imperial gallon (4.546 L) are different – choose the right one above.
This converter covers 10 categories and 66 units: length, weight, temperature, volume, area, speed, time, data, energy, pressure.
Frequently asked questions
How many us gallons are in a us quart?
1 us quart = 0.25 us gallons.
How do I convert us quarts to us gallons?
Use the formula gal = qt × 0.25. For example, 5 qt = 1.25 gal.
How do I convert us gallons back to us quarts?
1 us gallon = 4 us quarts. Use the gal to qt converter linked on this page.
Are these conversions exact?
Yes – all factors use the internationally defined values (for example 1 inch = 2.54 cm exactly, 1 pound = 0.45359237 kg exactly). Results are rounded to 8 significant digits for display.