0.5 cup to fl oz
0.5 cup equals 4 fl oz (multiplying by 8).
4 fl oz (= 4 fl oz)
0.5 cup = 4 fl oz
Converter
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Nearby values
| cup | fl oz |
|---|---|
| 0.25 | 2 |
| 0.5 | 4 |
| 0.75 | 6 |
| 1 | 8 |
| 1.5 | 12 |
| 2 | 16 |
| 2.5 | 20 |
How the math works
The cup→fl oz factor is 8. Multiplying: 0.5 × 8 = 4 fl oz. Because the factor is a defined constant, the result is exact — only the display is rounded.
Frequently asked questions
How do you convert 0.5 cup to fl oz?
Multiply by the conversion factor: 0.5 × 8 = 4 fl oz. The factor is the exact definition, not a rounded approximation.
Is 4 fl oz exact?
The conversion is exact to the precision shown — the displayed value is rounded for readability, and the full-precision result is 4 fl oz.
What is 4 fl oz in cup again?
Working backwards: divide by the factor (or use the calculator above) — 4 fl oz ÷ 8 = 0.5 cup.
Related
0.25 cup0.75 cupFull conversion tablemilliliters to US fluid ouncesUS fluid ounces to millilitersliters to US gallons