There are 8 fluid ounces in a cup. In order to find out how many ounces are in a cup, you can simply multiply by the conversion. So when using the conversion, 1 US cup is equal to 8 ounces while 1 Cup in the UK is equal to 8.326742 ounces. There are 8 ounces in a cup. To find out how many cups to a specific amount of ounces, you can just multiply how many cups by 8 which is the conversion number.
In order to find out how many ounces are in 2 cups, multiply 2 cups by 8 which is equal to 16. So there are 16 ounces in 2 cups. Canada and the UK use metric measurements instead of the traditional cups. These measurements can be very helpful to memorize if you are cooking or doing any kind of chemistry or science.