8 cups is equal to 64 fluid ounces.
To convert cups to fluid ounces, you can use the conversion factor that 1 cup is equal to 8 fluid ounces. Here's the calculation:
8 cups * 8 fluid ounces/cup = 64 fluid ounces
It's important to note that the conversion factor may change depending on the type of measurement being used. For example, 1 cup of solid ingredients, such as sugar or flour, is not equal to 8 fluid ounces. In these cases, you should use a different conversion factor or consult a reference chart to ensure accuracy.