4 US quarts to US gallons
1.000 gal
4 qt = 1.000 gal.
US gallons
1.000gal
4 qt = 1.000 gal
In short
How many US gallons is 4 US quarts?
4 qt = 1.000 gal. 1 US quart = 0.250000 US gallons, so the working is 4 × 0.250000 = 1.000.
The working
The factor below is an exact definition rather than a measurement, so nothing is approximated in the arithmetic. The only rounding on this page happens where a number is displayed.
1 US quart = 0.250000 US gallons 4 × 0.250000 = 1.000
How much precision do you need?
Each row is the same answer cut at a different number of decimals, with what that choice costs you. Pick the shortest row whose error is smaller than whatever you are measuring with.
| Rounded to | Answer (gal) | Off by |
|---|---|---|
| Whole number | 1 | exact |
| 1 decimal | 1.0 | exact |
| 2 decimals | 1.00 | exact |
Round trip: take 1.000 gal back the other way and you land on 4.0000 qt — a drift of 0.0000 qt. That gap is the rounding, not the conversion.
What 4 qt looks like
4 qt
Four US quarts make one gallon, defined as exactly 231 cubic inches.
Frequently asked questions
What is 4 US quarts in US gallons?
4 US quarts is 1.000 US gallons. 1 US quart = 0.250000 US gallons, so the working is 4 × 0.250000 = 1.000.
How accurate is 1.000 gal?
Rounding to 1.000 gal and converting straight back gives 4.0000 qt, a drift of 0.0000 qt from the 4 you started with. The factor itself is exact; every bit of that difference comes from the rounding, not the conversion.
Nearby values
Any value at all
Quarts to Gallons Converter
Convert US quarts to gallons — four quarts to the gallon, exactly.
Open the quarts to gallons converter →