1 Cup [US] = 8 Ounces [Fluid, US]
1 Cup [Metric] = 8.8 Ounces [Fluid, UK]
1 Cup [Imperial] = 10 Ounces [Fluid, Imperial]
For example, to find out how many ounces there are in a cup and a half, multiply the number of cups by the conversion factor, that makes 1.5 c * 8 = 12 ounces in 1.5 cups.
Cup is a US customary and metric system volume unit. 1 US cup equals to 8 fluid ounces and 16 tablespoons. UK and Australia now use metric cups (250 mL). The abbreviation is "c".
Fluid ounce is an imperial and US customary volume unit. 1 US fluid ounce is 29.5 mL and 1 imperial fluid ounce is 28.4 mL. The abbreviation is "fl oz".