3 US gallons to US quarts
12.00 qt
3 gal = 12.00 qt.
US quarts
12.00qt
3 gal = 12.00 qt
In short
How many US quarts is 3 US gallons?
3 gal = 12.00 qt. 1 US gallon = 4.000000 US quarts, so the working is 3 × 4.000000 = 12.00.
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 gallon = 4.000000 US quarts 3 × 4.000000 = 12.00
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 (qt) | Off by |
|---|---|---|
| Whole number | 12 | exact |
| 1 decimal | 12.0 | exact |
| 2 decimals | 12.00 | exact |
Round trip: take 12.00 qt back the other way and you land on 3.0000 gal — a drift of 0.0000 gal. That gap is the rounding, not the conversion.
Frequently asked questions
What is 3 US gallons in US quarts?
3 US gallons is 12.00 US quarts. 1 US gallon = 4.000000 US quarts, so the working is 3 × 4.000000 = 12.00.
How accurate is 12.00 qt?
Rounding to 12.00 qt and converting straight back gives 3.0000 gal, a drift of 0.0000 gal from the 3 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
Gallons to Quarts Converter
Convert US gallons to quarts — for splitting a bulk container into batches.
Open the gallons to quarts converter →