Quart to Gallon (US) Converter
Convert quarts to gallon (us)s (qt to gal) instantly with this free online volume converter. Enter any value in the Quart field and get the equivalent in Gallon (US) immediately. This converter handles any quantity — from tiny fractions to large numbers — with full precision. No signup, no ads in the widget, and the conversion runs entirely in your browser for instant results.
The conversion factor is exact: 1 qt = 0.2500001321 gal. To convert quarts to gallon (us)s, multiply your Quart value by 0.2500001321. For example, 10 qt = 2.500001321 gal. You can also reverse the calculation: 1 gal = 3.999997887 qt.
Quick conversion table
| Quart (qt) | Gallon (US) (gal) |
|---|---|
| 1 qt | 0.2500001321 gal |
| 5 qt | 1.25000066 gal |
| 10 qt | 2.500001321 gal |
| 25 qt | 6.250003302 gal |
| 50 qt | 12.5000066 gal |
| 100 qt | 25.00001321 gal |
Use the swap button to reverse the direction, or choose a different unit from the dropdown menus to convert within the volume category.
Formula
Quart to Gallon (US) conversion: 1 qt = 0.2500001321 gal gallon (us)s = quarts × 0.2500001321 1 gal = 3.999997887 qt quarts = gallon (us)s × 3.999997887
Example
Example: Convert 10 qt to gal: 10 qt × 0.2500001321 = 2.500001321 gal So, 10 qt is about 2.500001321 gal. To convert back, multiply by 3.999997887: 2.500001321 gal × 3.999997887 = 10 qt.
How to Use
- Enter the value you want to convert in the Quart field
- The result in Gallon (US) appears instantly below
- Use the dropdown menus to change units if needed
- Click 'Swap Units' to reverse the conversion direction
- Copy the result or adjust the input for a new conversion
Frequently Asked Questions
How do I convert quarts to gallon (us)s?
Enter the value in Quart (qt) in the 'From' field. The equivalent in Gallon (US) (gal) appears instantly in the 'To' field. The converter uses precise conversion factors and updates in real time as you type.
What is the formula to convert qt to gal?
1 qt = 0.2500001321 gal, so gallon (us)s = quarts × 0.2500001321. To convert back, 1 gal = 3.999997887 qt. The full formula and a worked example are shown on this page.
How many gallon (us)s are in one Quart?
1 qt = 0.2500001321 gal.
Is this Quart to Gallon (US) converter free?
Yes, completely free with no signup, no limits, and no ads in the converter widget. You can convert as many values as you need. The tool runs entirely in your browser, so your data never leaves your device.
Can I convert gallon (us)s back to quarts?
Yes. Click the 'Swap Units' button to reverse the direction. You can also use the dropdown menus to select any other volume unit for either field.
How accurate is the qt to gal conversion?
The converter uses high-precision conversion factors (up to 8 decimal places). Results are displayed with up to 6 decimal places, with trailing zeros removed for readability. For scientific or engineering work, always verify with official standards.