Pizza Calculator

Order the right amount of pizza. Every time.

Planning a birthday party, corporate lunch, or a big family get-together? Stop guessing. Answer a few quick questions and we'll tell you exactly how many pizzas to order — no more hungry guests, no mountains of leftovers.

Try the calculator
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AI-powered tip included
Who it's for

Built for any occasion where pizza is involved

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Birthday Parties

Kids eat differently than adults, and a party crowd eats differently than a dinner crowd. We account for all of it so you're not stuck with a kitchen full of cold pizza at the end of the night.

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Corporate Events

Whether it's a lunch meeting for 12 or a company all-hands for 200, nobody wants to be the person who ran out of food — or blew the budget on excess.

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Game Days & Watch Parties

A room full of hungry sports fans is a different situation entirely. Slide to the hungriest setting and let us handle the math while you focus on the game.

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Graduations & Milestones

Big celebrations bring big mixed crowds — kids, grandparents, hungry teens. Get a range that works for everyone without overspending on a day that's already expensive enough.

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Neighborhood Gatherings

Pizza as the side dish hits differently than pizza as the main event. Tell us where it fits in the meal and we'll size the order accordingly.

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Game Nights & Hangouts

Casual nights call for casual math. A few friends, a few slices, no stress. We keep the recommendation tight so you're not eating leftover pizza for breakfast three days in a row.

Free · No sign-up required

Try it now

Takes about 60 seconds. Works for any size party.

Party planner
Pizza order calculator
Answer 3 quick questions — we'll figure out the rest.
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How many guests are coming?
Drag the slider to set your headcount
20 guests
2200
Adults vs kids?
Kids eat about half as much — helps get the math right
10 kids  /  10 adults
All adultsAll kids
Slices per pizza?
Match this to what your pizza place serves
Slices per pizza
8
8 slices is the most common for a large pizza
How are you serving the pizza?
pizzas · 8 slices each
A starting point — adjust for your crowd & what's available
Writing your tip...
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Tell us what you think

Did the calculator nail it? Off by a few pies? We read every response and use your feedback to make this tool better.