US Quarts to US Gallons converter (qt to gal)
Convert US Quarts (qt) to US Gallons (gal) with this free calculator. Type a value, press Convert, and the page applies the same factor shown in the formula below — no rounded shortcut, and nothing is stored on a server.
US Gallons to US Quarts (gal to qt) ►
How to convert US Quarts to US Gallons
1 US gallon (gal) is equal to 4 US quarts (qt).
gal = qt ÷ 4
Multiply the quarts by 0.25:
Example: Convert 8 qt to gallons:
gal = 8 × 0.25 = 2 gal
What is a US Quarts?
The US Quarts (qt) is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
What is a US Gallons?
The US Gallons (gal) is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
This page converts volume from US Quarts into US Gallons. One qt equals 0.25 gal.
US Quarts to US Gallons conversion table
Common qt values and the matching gal result, calculated with the same factor as the widget. Highlight a nearby row if you want a quick check without entering a number.
| US Quarts (qt) | US Gallons (gal) |
|---|---|
| 1 qt | 0.25 gal |
| 2 qt | 0.5 gal |
| 4 qt | 1 gal |
| 8 qt | 2 gal |
| 12 qt | 3 gal |
| 16 qt | 4 gal |
| 20 qt | 5 gal |
| 40 qt | 10 gal |
How this calculator works
The form on this page is a US Quarts-to-US Gallons converter. After you enter a number, JavaScript multiplies or rearranges it with the published conversion factor and writes the gal result in the output box. The step-by-step panel repeats the arithmetic so you can copy it into homework or a spreadsheet.
Reviewed by Hamsen, founder of GigaTables and a biology engineer. See the about page for how formulas are checked before a tool is published.
FAQ
How many gal are in 1 qt?
1 qt = 0.25 gal.
How do I convert US Quarts to US Gallons?
Multiply the quarts by 0.25:
Is this qt to gal converter free?
Yes. GigaTables calculators are free to use in a browser. You do not need an account, and the values you type are not uploaded.