Pizza Calculator

The classic party food. Large pizzas typically have 8 slices and feed about 3 people.

8 large pizzas

for 20 people

Estimated cost: $96 - $160

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How Many Pizzas for Your Party?

5 people 10 people 15 people 20 people 25 people 30 people 40 people 50 people 75 people 100 people

About Our Pizza Calculator

Planning to serve pizzas at your next party? Our free calculator takes the guesswork out of party planning. Simply enter the number of guests and we'll tell you exactly how many large pizzas you need.

How We Calculate Pizza Quantities

Our calculations are based on industry-standard serving sizes used by professional caterers:

  • Average servings per person: 3 large pizzas
  • Servings per large pizza: 8
  • Price range: $12 - $20 per large pizza

Tips for Ordering Pizzas

  • Order a variety of toppings to please everyone
  • Call ahead for large orders (50+ people)
  • Keep pizzas warm in oven at 200°F
  • Plan for 1 cheese pizza per 10 people for picky eaters
  • Order extra if serving as the main dish

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Frequently Asked Questions About Pizza

How many slices of pizza per person?

Adults typically eat 2-4 slices, with 3 being the average. Children usually eat 1-2 slices. The 3/8 rule (3 slices per person, 8 slices per pizza) is the industry standard for party planning.

Should I order more pizza for hungry guests?

Yes! If your guests are coming from activities (sports, hiking) or if pizza is the main meal, add 20-25% more. It's always better to have leftovers than hungry guests.

How do I keep pizza warm for a party?

Keep pizzas in a 200°F (93°C) oven. Stack boxes and rotate every 15-20 minutes. For best results, remove pizzas from boxes and place on baking sheets.

What's the best pizza topping ratio for a party?

A safe ratio is 40% cheese/plain, 30% pepperoni or meat lovers, 20% supreme/veggie, and 10% specialty. Adjust based on your crowd's preferences.