Guide · Pizza boxes

What size pizza box fits personal, medium, large, slice, and deep-dish pies?

Short answer: Match the inside Length and Width of the carton to your nominal pizza screen or peel diameter, and keep inside Height between 1.75 and 2 inches for round pies or 2.5 inches for deep dish. Standard custom pizza boxes are 12 × 12 × 2 in for medium, 14 × 14 × 2 in for large, and 16 × 16 × 2 in for extra-large.

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Comparison of 10 in, 12 in, 14 in, and 16 in custom pizza boxes beside a Detroit pan box and slice wedge
On this page
  1. How do you measure from your pizza screen or peel to inside box dimensions
  2. What is the complete size chart for round, deep-dish, flatbread, and slice boxes
  3. What box dimensions fit Detroit-style deep dish, Sicilian slabs, and flatbreads
  4. How do you size triangular single-slice clamshells and calzone boxes
  5. Why is pizza box height kept under 2 inches for hot delivery and frozen retail
  6. Common mistakes
  7. FAQs
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Unlike round layer cakes that require a box 2 inches wider than the baking pan to clear a cake drum, a pizza box is sized almost 1-to-1 with the nominal diameter of the baked pie. A 14-inch pizza baked on a 14-inch mesh screen fits directly into a 14 × 14 × 2 inch inside-dimension corrugated box, because converter dielines already build in a slight +1/8 to +1/4 inch clearance so the crust slides off the peel cleanly without room to slide during delivery turns. Height is deliberately kept low (1.75 to 2 inches for Neapolitan and New York thin crust, or 2.5 to 3 inches for Detroit, Chicago, and Sicilian pan pies) so the warm air pocket above the cheese stays compact and insulates the pie all the way to the customer's door.

How do you measure from your pizza screen or peel to inside box dimensions?

If you bake on perforated aluminum pizza screens or coupe trays, the screen diameter sets your exact nominal box size: a 12-inch screen pairs with a 12 × 12 inch box, a 14-inch screen pairs with a 14 × 14 inch box, and a 16-inch screen pairs with a 16 × 16 inch box. When our structural team creates your dieline for custom printed pizza boxes, a nominal 14 × 14 inch carton is cut with an actual inside floor of roughly 14.125 × 14.125 inches so the crust edge never scrapes the rollover side walls. If you stretch dough by hand and launch directly off a wooden or anodized aluminum peel onto a 750°F brick deck or wood-fired hearth, measure your widest finished weekend pies across the blistered cornicione (outer crust rim). Artisan sourdough and Neapolitan pies stretched for a "12-inch" menu item often puff out to 12.25 or 12.5 inches in the oven, so stepping up to a 12.5 × 12.5 × 2 inch custom dieline with zero die fees keeps your charred leopard-spotted rim intact.

  1. Screen or pan-baked pies: match the nominal box Length × Width directly to the screen diameter (10, 12, 14, 16, or 18 in).
  2. Hearth or wood-fired hand-stretched pies: measure your widest blistered crust rim and add 1/4 inch of floor clearance.
  3. Thin-crust & Neapolitan height: keep inside height at 1.75 to 2 inches to minimize heat loss in the headspace.
  4. Deep-dish & pan-pizza height: step up to 2.5 or 3 inches so tall focaccia crumb and toppings never touch the lid.

What is the complete size chart for round, deep-dish, flatbread, and slice boxes?

Every CubitPack pizza carton is cut to your exact inside Length × Width × Height in inches with no die or plate charges. Use the master reference chart below to compare standard US pizzeria sizes, slice counts, inside heights, and recommended corrugated flutes. Notice how the recommended board flute shifts at the 14-inch mark: compact E-flute corrugated handles 8, 10, and 12 inch boxes and slice wedges cleanly, while 14, 16, and 18 inch boxes step up to thicker B-flute corrugated to span the wider lid without sagging.

Pizza type & menu sizeInside box size (L × W × H)Recommended board & style
Single New York slice (cut from 16–18 in pie)8.5 × 7.5 × 1.75 inE-flute triangular wedge clamshell
7–8 in personal pie, kids' pizza, or garlic knots8 × 8 × 1.75 inE-flute square lock-tab clamshell
10 in small pie or cauliflower / gluten-free crust10 × 10 × 1.75 inE-flute square clamshell
12 in medium pizza or wood-fired Neapolitan pie12 × 12 × 2 inE-flute or B-flute clamshell
14 in large pizzeria pie (8 slices)14 × 14 × 2 inB-flute square or octagonal box
16 in extra-large New York family pie (8–12 slices)16 × 16 × 2 inB-flute rollover-wall clamshell
18 in jumbo party / slice-counter pie18 × 18 × 2 inHeavy B-flute + center lid support
Detroit-style deep dish (10 × 14 in blue steel pan)14 × 10 × 2.5 inB-flute rectangular deep clamshell
Half-sheet Sicilian / grandma slab pie18 × 13 × 2.5 inB-flute rectangular slab box
Roman pinsa / wood-fired oblong flatbread13 × 7 × 1.75 inE-flute oblong tuck or clamshell

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What box dimensions fit Detroit-style deep dish, Sicilian slabs, and flatbreads?

Square boxes only fit square or round pies. When you bake authentic Detroit-style pizza in a seasoned 10 × 14 inch or 8 × 10 inch rectangular blue-steel pan, the finished focaccia-style crust stands 1.5 to 2 inches tall with a fragile frico crown of caramelized Wisconsin brick cheese along all four edges. Stuffing that rectangular pan pie into a 14 × 14 inch square box wastes 4 inches of floor width and lets the heavy slab slide sideways. Instead, match your rectangular pan pizzas to dedicated rectangular custom corrugated boxes. A 14 × 10 × 2.5 inch B-flute clamshell cradles a full-size 10 × 14 inch Detroit pan pie with 1/2 inch of headroom above the sauce stripes, while a 10.5 × 8.5 × 2.5 inch box fits a small 8 × 10 inch pan. For Roman pizza al taglio, oval pinsa romana, and tavern breadsticks, an oblong 13 × 7 × 1.75 inch or 15 × 7.5 × 1.75 inch E-flute carton frames the long crust without wasted board.

Rectangular 14 × 10 × 2.5 inch Detroit-style deep-dish box beside an oblong flatbread carton

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How do you size triangular single-slice clamshells and calzone boxes?

By-the-slice counters, college campus shops, stadium concessions, and food trucks sell hundreds of individual slices cut from 16-inch, 18-inch, or 20-inch master pies. A slice cut as 1/8 of an 18-inch New York pizza measures 9 inches long from the pointed center tip to the outer crust heel and roughly 7 inches wide across the back arc. If you drop that slice onto a paper plate inside a bag, the cheese sticks to the bag before the customer finds a bench. A hinged triangular custom die-cut box measuring 8.5 × 7.5 × 1.75 inches (for 16-inch pie slices) or 9.5 × 8 × 1.75 inches (for 18-inch jumbo slices) locks the slice between three tapered walls so the pointed tip cannot fold under. For folded half-moon calzones, stromboli, and garlic-knot six-packs, an 8 × 8 × 2.25 inch or 10 × 6 × 2.5 inch vented E-flute clamshell gives the puffed dough pocket enough vertical room without crushing.

Triangular 8.5 × 7.5 × 1.75 inch pizza slice wedge clamshell box holding a New York slice

Why is pizza box height kept under 2 inches for hot delivery and frozen retail?

First-time pizzeria owners sometimes ask for a 3-inch or 3.5-inch tall box on a standard thin-crust 14-inch pizza so they never need a plastic pizza-saver tripod in the center. In practice, making a thin-crust pizza box taller than 2 inches cools the pizza down much faster. Every extra inch of height on a 16 × 16 inch box adds 256 cubic inches of cold empty air above the pie that the pizza's thermal energy has to heat up during delivery. Keeping standard round takeout boxes at 1.75 inches tall (for 8 to 10 in pies) and 2 inches tall (for 12 to 18 in pies) traps a warm thermal blanket directly over the melted cheese while relying on stiff B-flute corrugated board or octagonal corner posts to prevent lid sag. For retail grocery frozen pizzas sold in supermarket freezer doors, height is even tighter: a 10.5 × 10.5 × 1.5 inch or 12.25 × 12.25 × 1.625 inch seal-end folding carton lets grocers fit more units per freezer shelf facing.

  1. 1.5 to 1.625 in height: retail grocery frozen thin-crust pizza folding cartons.
  2. 1.75 in height: 8-in personal, 10-in small, oblong flatbread, and single-slice clamshells.
  3. 2.0 in height: standard 12-in, 14-in, 16-in, and 18-in pizzeria delivery boxes.
  4. 2.5 to 3.0 in height: Detroit-style rectangular pan pies, Sicilian slabs, and Chicago deep dish.

What are the most common pizza box sizing mistakes?

Check these five frequent measurement errors before ordering your custom pizza box run

  1. Packing a 12-inch pizza inside a 14 × 14 inch box, giving the hot pie 2 inches of runway to slide and fold on the first delivery turn.
  2. Ordering a 3-inch-tall box for thin-crust pizzas, creating a large cold air pocket that cools the pie before delivery.
  3. Putting a 2.25-inch-tall Detroit or Sicilian pan pizza into a 1.75-inch thin-crust box, scraping the caramelized cheese crown.
  4. Using a square 14 × 14 inch box for a 10 × 14 inch rectangular Detroit pan instead of a tailored 14 × 10 × 2.5 inch rectangular dieline.
  5. Sizing a triangular slice box to the radius of a 12-inch pie when your slice counter actually cuts slices from an 18-inch master pie.

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Suggested inside size: 8.5 × 7.5 × 1.75 in

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FAQ

Questions about pizza boxes

Is a 14-inch pizza box actually 14 × 14 inches on the inside?

Yes. Pizzeria boxes are quoted by nominal inside Length × Width × Height, and a 14 × 14 × 2 inch box is die-cut with roughly 14.125 × 14.125 inches of inside floor clearance so a 14-inch pizza slides in smoothly without room to slide around.

What are the three most popular pizza box sizes for a new pizzeria?

Most independent pizzerias launch with two or three core sizes: 12 × 12 × 2 in (medium / personal wood-fired), 14 × 14 × 2 in (large), and 16 × 16 × 2 in (extra-large family pie), sometimes paired with an 8.5 × 7.5 × 1.75 in single-slice wedge.

What size box do I need for a 10 × 14 inch Detroit-style pizza pan?

Order a 14 × 10 × 2.5 inch rectangular corrugated box. Because Detroit-style dough rises higher than thin crust and is topped with sauce ladles after baking, the 2.5-inch height keeps the lid clear of the crust.

What size triangular box fits a single slice of New York pizza?

For slices cut as 1/8 of a 16-inch pie, an 8.5 × 7.5 × 1.75 inch triangular wedge clamshell is standard. For jumbo slices cut from an 18-inch or 20-inch pie, step up to a 9.5 × 8 × 1.75 inch or 10.5 × 8.5 × 1.75 inch wedge.

Can I order 12-inch and 16-inch custom pizza boxes in the same order?

Yes. You can combine multiple pizza box sizes in a single CubitPack quote. List your sizes and quantities in the quote notes so your account manager prices the full set together.

Are custom pizza box sizes charged extra for cutting dies?

No. CubitPack never charges die or plate fees, so whether you need a standard 14 × 14 × 2 in square box, an octagonal box, or a custom oblong pinsa carton, tooling is free.

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How we made this guide

The inside dimensions, peel clearances, and height standards in this guide follow commercial US pizza screen, Detroit pan, and corrugated box converting specifications. A CubitPack packaging specialist verified every row. Spot an error? Tell us and we will fix it.

Published October 22, 2026Updated October 22, 2026Next review January 20, 2027
Sources
  1. Corrugated E-flute and B-flute inside dimension tolerances for die-cut clamshell cartons
  2. Food-contact corrugated liner and grease-barrier considerations
What changed
  • October 22, 2026: First published.
  • October 22, 2026: Updated specifications, terminology, and verified source links.
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