To calculate how many cups you have in eight ounces of cool whip, you must first know how much you need to make one serving. A typical container contains 232 grams heavy whipping cream. This is approximately one cup. In Canada, you can buy Cool Whip in 500-mL tubs. In the United States, the container is eight, twelve, or sixteen ounces. This is a bit confusing, but it will help to know that it holds approximately three cups.
In general, one cup of liquid equals eight fluid ounces, which means that you will need one and a half cups of heavy whipping cream to make an equivalent amount of whipped topping. One cup of whipped cream equals 2 1/2 cups heavy whipping cream. To find out how many cups are contained in eight ounces of cool whip, you can use a measuring cup to measure it.
Pay attention to the label when you buy Cool Whip. It will tell you that the Cool Whip contains water, hydrogenated vegetable oils, corn syrup, white cream, and less then 2% caseinate. Cool Whip 8 ounces contains 500 calories and 1 1/2 cups of heavy whipping. So, if you want to make your own, follow the directions on the package.