0.50 US fluid ounces to US cups
0.063 cup
0.50 fl oz = 0.063 cup.
US cups
0.063cup
0.500 fl oz = 0.063 cup
In short
How many US cups is 0.50 US fluid ounces?
0.50 fl oz = 0.063 cup. 1 US fluid ounce = 0.125000 US cups, so the working is 0.50 × 0.125000 = 0.063.
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 fluid ounce = 0.125000 US cups 0.50 × 0.125000 = 0.063
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 (cup) | Off by |
|---|---|---|
| Whole number | 0 | −0.06250 |
| 1 decimal | 0.1 | +0.03750 |
| 2 decimals | 0.06 | −0.00250 |
Round trip: take 0.063 cup back the other way and you land on 0.5040 fl oz — a drift of 0.0040 fl oz. That gap is the rounding, not the conversion.
Frequently asked questions
What is 0.50 US fluid ounces in US cups?
0.50 US fluid ounces is 0.063 US cups. 1 US fluid ounce = 0.125000 US cups, so the working is 0.50 × 0.125000 = 0.063.
How accurate is 0.063 cup?
Rounding to 0.063 cup and converting straight back gives 0.5040 fl oz, a drift of 0.0040 fl oz from the 0.50 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
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