Cups to ounces (oz) conversion factors are listed below. To find out how many ounces in cups, multiply the number of cups by the conversion factor.
1 Cup [US] = 8 Ounces [Fluid, US]
1 Cup [Metric] = 8.8 Ounces [Fluid, UK]
1 Cup [Imperial] = 10 Ounces [Fluid, Imperial]
Cup is a US customary and metric system volume unit. 1 US cup equals to 8 fluid ounces and 16 tablespoons. UK, Canada 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".