Note: eateries do not always clearly list the size of their pizza in inches. What size is a large Pizza Hut pizza? The menu prices are updated for … 15 Add Your Pizza Hut Review! Pizza Hut review from Dallas, Texas with 37 Comments: Ordered two large pizzas from pizza hut with the any size any toppings deal for $10. [A personal pan at Pizza Hut is 6 inches in diameter.] r (radius)=3 inches. Size Calculation: 3.14159 * … But, Pizza Hut doesn't want you to get the best value, so they keep the actual dimensions of their pizzas to themselves. A large pizza is 14 inches in diameter, or about 154 square inches. How Large Are Pizza Hut Pizzas? If you want to get the most value for your money, you need to start buying your pizzas by area. When i opened up the boxes, Pizza Hut - Pizzahut's large pizza is getting smaller Aug 12, 2019 @ Pissed Consumer A medium pizza is 12 inches in diameter, or about 113 square inches.