According to the Costco packaging, a whole pizza has a net weight of 44 ounces (or 1247.4 grams) so a single slice is 5.5 ounces (155 grams). Just to double-check, I weighed a single piece that we had cut and found it to be 151 grams. read more
There are 679 calories in 1 slice (10.7 oz) of Costco Food Court Slice Combo Pizza. You'd need to walk 178 minutes to burn 679 calories. Visit CalorieKing to see calorie count and nutrient data for all portion sizes. read more