US Gallons to US Quarts converter (gal to qt)
Convert US Gallons (gal) to US Quarts (qt) 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 Quarts to US Gallons (qt to gal) ►
How to convert US Gallons to US Quarts
1 US gallon (gal) is equal to 4 US quarts (qt).
qt = gal × 4
Multiply the gallons by 4:
Example: Convert 5 gal to quarts:
qt = 5 × 4 = 20 qt
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.
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.
This page converts volume from US Gallons into US Quarts. One gal equals 4 qt.
US Gallons to US Quarts conversion table
Common gal values and the matching qt result, calculated with the same factor as the widget. Highlight a nearby row if you want a quick check without entering a number.
| US Gallons (gal) | US Quarts (qt) |
|---|---|
| 0.5 gal | 2 qt |
| 1 gal | 4 qt |
| 2 gal | 8 qt |
| 5 gal | 20 qt |
| 10 gal | 40 qt |
| 20 gal | 80 qt |
| 50 gal | 200 qt |
How this calculator works
The form on this page is a US Gallons-to-US Quarts converter. After you enter a number, JavaScript multiplies or rearranges it with the published conversion factor and writes the qt 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 qt are in 1 gal?
1 gal = 4 qt.
How do I convert US Gallons to US Quarts?
Multiply the gallons by 4:
Is this gal to qt 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.