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US gallon to US quart
Convert US gallon to US quart and get the exact value instantly.
About this conversion
To convert US gallon to US quart, multiply the number of US gallon by 4.
Volume units divide between metric (liters, milliliters) and US customary (gallons, cups, fluid ounces), which trips up cooking, fuel figures and container sizing until you convert them.
Conversion table
| US gallon (gal) | US quart (qt) |
|---|---|
| 1 gal | 4 qt |
| 2 gal | 8 qt |
| 5 gal | 20 qt |
| 10 gal | 40 qt |
| 100 gal | 400 qt |
How to use this converter
- Enter your US gallon value
Type any number into the US gallon field. It starts at 1 so you can read the rate straight away.
- Read the US quart result
The amount in US quart updates as you type, so there is no button to press and nothing to wait for.
- Swap or keep exploring
Use the swap control to flip the direction, or pick a related conversion from the list below.
Frequently asked
- How many US quart are in one US gallon?
- One US gallon equals 4 qt. Enter any amount above to get an exact figure for your own value.
- Is this converter accurate?
- Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
- Do you upload the numbers I enter?
- No. The US gallon to US quart conversion runs entirely in your browser tab, and nothing you type is sent to a server.
- Does it work on my phone?
- Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.
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