How Many Slices in a Costco Pizza

Hello, fellow pizza aficionados! If you’ve ever faced the glorious, cheesy behemoth that is a Costco pizza, you know it’s a true party pleaser. But with great pizza comes great responsibility – like figuring out how many slices you need to keep everyone happy.

Today, we’re diving into the nitty-gritty of Costco pizza slicing to help you master your next pizza party. Let’s get slicing!

Understanding Costco Pizza Sizes

First things first, let’s talk about size. Costco pizzas are massive, coming in at a whopping 18 inches in diameter. That’s a circumference of about 56.5 inches and a surface area of roughly 254 square inches of deliciousness. It’s not just a pizza; it’s a pizza event!

How Many Slices in a Costco Pizza?

So, how many slices does this giant pie yield? The standard slice count for a Costco pizza is 12. These aren’t just any slices – they’re generous, hearty portions that ensure everyone gets a satisfying bite.

Why 12 Slices?

  • Portion Size: Each slice is big enough to be filling but not overwhelming.
  • Ease of Handling: Cutting into 12 slices strikes a balance between manageable slice size and ample serving portions.

Serving Recommendations for Costco Pizzas

Knowing how many slices you have is just the beginning. Here’s how to plan your servings:

  • 4-6 people: For extra hearty appetites.
  • 6-8 people: For average appetites.
  • 8-12 people: For lighter eaters.

Guidelines for Total Pies:

  • 1 pie: Feeds 4-6 very hungry people.
  • 2 pies: Perfect for 8-12 average eaters.
  • 3 pies: Great for large groups up to 24 lighter eaters.

Maximizing Servings from Costco Pizzas

Want to stretch that pizza further? Here are some tips:

  • Cut Slices in Half: Make 24 smaller slices for larger groups.
  • Pair with Sides: Add salads or other sides to extend your servings.
  • Choose Lighter Toppings: Opt for veggies over heavy meats.
  • Skip Thick Crusts: Keep it light and airy.
  • Offer Dipping Sauces: Enhance smaller slices with flavorful dips.
  • Include Dessert: Cap off the meal with a sweet treat to balance the savory.

Comparing Costco Pizza to Other Chains

Let’s put Costco pizza in perspective:

  • Pizza Hut: Typically 10-12 slices for large pizzas.
  • Papa Murphy’s: Usually 8-10 slices for large pizzas.
  • Domino’s: Generally 8-10 slices for large pizzas.

Why Costco Stands Out:

  • Larger size and more substantial slices make Costco pizza a standout choice for feeding crowds.

Pro Tips for Serving Costco Pizzas

Here are some expert tips to make your pizza party a breeze:

  • Order 2-3 Pies: Perfect for feeding big groups.
  • Pre-Slice Ahead of Time: Makes self-serving easier.
  • Extra Toppings and Sauces on the Side: Customizable for everyone.
  • Use Large Sheets or Trays: For easy transportation.
  • Get Creative with Leftovers: Think pizza frittatas or casseroles for the next day.


So, there you have it – Costco pizzas are typically cut into 12 hearty slices, making them the perfect centerpiece for any gathering. Whether you’re feeding a small group or a large crowd, these tips will help you serve up every slice with ease. Enjoy the big, bold flavors that Costco brings to your table and happy slicing!