Here's how to convert cups to fluid ounces:

* There are 8 fluid ounces (fl oz) in 1 cup (c).

To find out how many fluid ounces are in 6.5 cups, multiply the number of cups by 8:

* 6.5 c * 8 fl oz/c = 52 fl oz

Therefore, there are 52 fluid ounces in 6.5 cups.