If you’ve ever argued over who gets the last slice, you’ve probably wondered: how many slices are in a large pizza? The answer isn’t as simple as it sounds — because the number of slices depends on the pizza size, brand, and how it’s cut.
In this post, we’ll break down:
- How many slices are in different pizza sizes (10″, 12″, 14″, 16″, 18″)
- How many calories are in each slice
- And a free Pizza Slice Calculator you can use to plan your next pizza night!
Also Check AI Recipe Generator
How Many Slices in a Large Pizza?
A large pizza typically measures 12 to 14 inches in diameter and comes with 8 to 10 slices.
This is the standard for most pizzerias — including Domino’s, Pizza Hut, and Papa John’s.
| Pizza Size | Diameter (inches) | Average Slices | Feeds |
|---|---|---|---|
| Small | 8″ | 6 slices | 1–2 people |
| Medium | 10″ | 8 slices | 2–3 people |
| Large | 12–14″ | 8–10 slices | 3–4 people |
| Extra Large | 16″ | 12 slices | 4–5 people |
| Party Size | 18″ | 14–16 slices | 5–6 people |
So, if you’re asking “how many pizza slices are in a large?” or “how many slices in a 14-inch pizza?”, the answer is usually 8–10 slices.
Try Our Free Pizza Slice Calculator
Want to know exactly how many slices you’ll get (and how many pizzas to order)?
Use our Pizza Slice Calculator below 👇
🍕 Pizza Slice Calculator
Find out how many slices you’ll get!
➡️ Enter your pizza size and number of pizzas, and it will instantly tell you:
- How many slices per pizza
- Total slices
- How many people it can serve
Perfect for party planning, family dinners, or office lunches!
🍕 How Many Slices in a 10, 12, 14, 16, and 18-Inch Pizza?
Here’s a quick breakdown of slice counts by size — so you’ll never be short again:
- 10-inch pizza → 6–8 slices (feeds 1–2 people)
- 12-inch pizza → 8–10 slices (feeds 2–3 people)
- 14-inch pizza → 10–12 slices (feeds 3–4 people)
- 16-inch pizza → 12 slices (feeds 4–5 people)
- 18-inch pizza → 14–16 slices (feeds 5–6 people)
How Many kcal in a Slice of Pizza?
This depends on toppings, crust type, and size. On average:
| Pizza Type | Calories per Slice | Calories per Whole Pizza |
|---|---|---|
| Cheese Pizza Slice | 200–250 kcal | ~1,800 kcal |
| Pepperoni Pizza Slice | 250–300 kcal | ~2,400 kcal |
| Veggie Pizza Slice | 180–220 kcal | ~1,600 kcal |
| Meat Lover’s Slice | 300–350 kcal | ~2,800 kcal |
So if you’re Googling “how many kcal in a slice of pizza” or “cheese pizza slice nutrition”, these are realistic averages.
Use moderation — and maybe pair that slice with a salad 😉
Pizza Large — How Many Slices Do You Need?
Here’s a simple guide to help you order the right amount:
- 2–3 people → 1 large pizza (8–10 slices)
- 4–6 people → 2 large pizzas
- 7–10 people → 3–4 large pizzas
- 12+ people → 4 or more large pizzas
You can also use our Pizza Slice Calculator to do this automatically.
Fun Fact: Why Are New York Pizza Slices So Famous?
If you’ve ever searched “best pizza by the slice New York”, you know — it’s not just about quantity.
New York slices are big, thin, and foldable, usually cut from an 18-inch pizza — meaning each slice is about the size of your face!
Each slice can pack around 400–500 kcal, depending on toppings.
Frequently Asked Questions (FAQs)
1. How many slices are in a large pizza from Domino’s or Pizza Hut?
Most large pizzas come with 8 slices, but you can request to cut them into 10 or 12 smaller slices.
2. How many slices are in a 16-inch pizza?
Typically 12 slices, though some pizzerias cut 16-inch pizzas into 10 larger slices.
3. How many slices are in a 10-inch pizza?
Usually 6–8 slices, great for one or two people.
4. How many slices in an 18-inch pizza?
Around 14–16 slices, depending on how thin each slice is cut.
5. How many kcal are in one slice of cheese pizza?
On average, 200–250 kcal per slice.