20 US quarts to US gallons
5.000 gal
20 qt = 5.000 gal.
US gallons
5.000gal
20 qt = 5.000 gal
In short
How many US gallons is 20 US quarts?
20 qt = 5.000 gal. 1 US quart = 0.250000 US gallons, so the working is 20 × 0.250000 = 5.000.
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 20 × 0.250000 = 5.000
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 | 5 | exact |
| 1 decimal | 5.0 | exact |
| 2 decimals | 5.00 | exact |
Round trip: take 5.000 gal back the other way and you land on 20.0000 qt — a drift of 0.0000 qt. That gap is the rounding, not the conversion.
What 20 qt looks like
20 qt
Twenty US quarts is the five gallon bucket sold in American hardware stores.
Frequently asked questions
What is 20 US quarts in US gallons?
20 US quarts is 5.000 US gallons. 1 US quart = 0.250000 US gallons, so the working is 20 × 0.250000 = 5.000.
How accurate is 5.000 gal?
Rounding to 5.000 gal and converting straight back gives 20.0000 qt, a drift of 0.0000 qt from the 20 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 →