A cup is 8 oz. 1 1/2 cups is 12 oz, so it would be a little over 1 1/2 cups.

13 ounces is very very close to 11/2 cups, but a little over :)

1 Cup = 8 oz

Therefore 1 & 5/8 of a cup

Just over 1 1/2 cups

Therefore 1 & 5/8 of a cup

Just over 1 1/2 cups