1 US cups to US quarts
0.250 qt
1 cup = 0.250 qt.
US quarts
0.250qt
1 cup = 0.250 qt
In short
How many US quarts is 1 US cups?
1 cup = 0.250 qt. 1 US cup = 0.250000 US quarts, so the working is 1 × 0.250000 = 0.250.
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 cup = 0.250000 US quarts 1 × 0.250000 = 0.250
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 | 0 | −0.25000 |
| 1 decimal | 0.3 | +0.05000 |
| 2 decimals | 0.25 | exact |
Round trip: take 0.250 qt back the other way and you land on 1.0000 cup — a drift of 0.0000 cup. That gap is the rounding, not the conversion.
Frequently asked questions
What is 1 US cups in US quarts?
1 US cups is 0.250 US quarts. 1 US cup = 0.250000 US quarts, so the working is 1 × 0.250000 = 0.250.
How accurate is 0.250 qt?
Rounding to 0.250 qt and converting straight back gives 1.0000 cup, a drift of 0.0000 cup from the 1 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
Cups to Quarts Converter
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