How many cups of butter is 12 tbsp?

There are 1.5 cups in 12 tablespoons.

To convert tablespoons to cups, divide the number of tablespoons by 16. So, 12 tablespoons / 16 = 0.75 cups. Since there are 2 cups in a half gallon, 0.75 cups is the same as 1.5 cups.