US cups to US fluid ounces
One US cup is 8 US fluid ounces.
1 US cup = 8 US fluid ounces · 1 US fluid ounce = 0.125 US cups
This factor is exact, not rounded. It comes from the definition of the units rather than from a measurement, so the only limit on precision is how many digits are worth showing.
US cups to US fluid ounces table
| US cups (cup) | US fluid ounces (fl oz) |
|---|---|
| 1 | 8 |
| 2 | 16 |
| 3 | 24 |
| 5 | 40 |
| 10 | 80 |
| 20 | 160 |
| 25 | 200 |
| 50 | 400 |
| 100 | 800 |
| 500 | 4,000 |
| 1,000 | 8,000 |
How the conversion works
Multiply by 8 to go from US cups to US fluid ounces, or by 0.125 to go back the other way. Both figures are exact rather than rounded: they follow from the definitions of the units, not from anybody measuring something.