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Imperial gallon to US quart

Convert Imperial gallon to US quart and get the exact value instantly.

About this conversion

To convert Imperial gallon to US quart, multiply the number of Imperial gallon by 4.803799702.

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

Imperial gallon (imp gal)US quart (qt)
1 imp gal4.803799702 qt
2 imp gal9.607599404 qt
5 imp gal24.01899851 qt
10 imp gal48.03799702 qt
100 imp gal480.3799702 qt

How to use this converter

  1. Enter your Imperial gallon value

    Type any number into the Imperial gallon field. It starts at 1 so you can read the rate straight away.

  2. 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.

  3. 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 Imperial gallon?
One Imperial gallon equals 4.803799702 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 Imperial 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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