Pizza Box Sizes: The Complete Chart and How to Order the Right Fit

Pizza boxes run from a 6-inch personal square up to a 30-inch party size, and the number on the box refers to the outer dimension, not the pizza's actual diameter. Getting the match wrong is the most common reason a "12-inch" box arrives too tight for a fully topped 12-inch pie. Below is the full industry size chart, followed by which sizes KimEcopak stocks and what custom branding costs.

Full pizza box size chart (inches and cm)

Pizza box labels describe the outer square, not the pizza inside it. A box needs roughly 0.5 to 1 inch of clearance beyond the pizza's edge so the pie slides in without crushing the crust, and suppliers group that clearance into a small set of standard outer dimensions.

Standard outer square dimensions across the industry cluster around 10x10, 12x12, 14x14, 16x16, 18x18, 20x20 and 24x24 inches, with depth typically 1.5 to 2 inches for a regular crust. Boxes above roughly 24x24, including 40x40, move into custom-cut production rather than off-the-shelf stock. For a deep-dish, stuffed-crust, or Chicago-style pizza, depth needs to grow to 2.5 to 3 inches so the lid does not press down on the toppings, which is why you will see the same footprint sold in two depths, for example 20x20x2 for a regular crust and a box with a built-in sauce holder or 20x20x4 for a taller pie.

Which sizes KimEcopak actually stocks

The chart above covers the full range buyers search for, but KimEcopak's current catalogue lists five standard pizza box sizes: 8x8, 10x10, 12x12, 14x14 and 18x18 inches. If your order needs a size outside that range, for example 16x16 or the deep-dish 20x20x4, that falls under custom production rather than stock inventory, and should be confirmed with the sales team before you commit a delivery date.

If your menu centres on a 12-inch pie, the 12x12 inch pizza box with logo is the size most independent shops keep as their default stock item, since it fits the most common single-topping and specialty pizza diameter without wasted cardboard.

Box size vs pizza diameter: the clearance rule

A box that matches the pizza's diameter exactly will pinch the crust and crush toppings against the lid during stacking. Measure the pizza across its widest point after baking, not the raw dough size, then add 0.5 to 1 inch of clearance on each side before you pick a box. That quarter-to-half-inch gap also matters for how the pizza holds up in transit. If you deliver rather than serve dine-in, pairing the right box size with a proper transport setup keeps the pie from sliding and dragging toppings to one edge over a 20-minute drive.

Material and sustainability

KimEcopak's pizza boxes are corrugated cardboard, offered with PE or PLA coating options depending on the order. A specific compostability certification for the pizza box line is not confirmed in the available product documentation, so if OK Compost or similar certification is a requirement for your business, confirm the exact spec with the sales team before ordering rather than assuming it applies across every size. The cardboard base is also why a plain corrugated pizza box should never go into a microwave with foil-lined liners or wax coatings; if you're unsure which of your boxes can go in a microwave for reheating, check which pizza box materials are microwave-safe before advising customers to reheat straight from the box.

Custom branding: MOQ and printing cost

Custom logo printing on pizza boxes runs a minimum order of 10,000 pieces. On top of the unit price, there's a one-time mold and printing setup fee of $250 CAD per colour, per size. That fee is waived automatically once an order crosses 30,000 pieces, which matters if you're deciding between ordering one size at high volume versus splitting a smaller run across two or three sizes. If you already run a plain box program and are weighing whether to move to branded packaging, browsing the custom pizza box collection is the fastest way to see finish and print options side by side before requesting a quote.

Building your own pizza box, and why most shops shouldn't

Some independent shops fold flat pizza boxes from bulk blanks on-site to save on shipped-assembled inventory. That works at low volume, but the labour cost per box usually erases any savings once your order passes a few hundred pieces a week. If you want to understand the process anyway, for example to train new counter staff, this walkthrough covers how a flat pizza box blank folds into a finished box, and this one covers the specific fold sequence for locking the lid without extra tape.

How to choose the right size for a growing menu

If you run one location with a fixed menu, matching box size to your top 2 or 3 pizza diameters is enough. If you're planning to add locations or franchise, standardizing on fewer sizes across the whole menu, even if it means slightly oversizing a box here or there, keeps ordering simple and avoids running five different box SKUs across five kitchens. Pull 90 days of order history by pizza diameter before locking in a size mix, rather than guessing from menu descriptions alone. And since a fresh pizza only holds its texture and safety for a limited window, cross-check your box choice against how long a pizza stays safe to eat if you're also revisiting delivery radius or hold times as part of the same review.

Stock vs custom: what to order today

If your shop just needs plain, food-safe boxes without a print run and MOQ commitment, starting with plain white pizza boxes sold wholesale lets you cover day-to-day volume while you decide on a custom logo program separately.

FAQ

What size is a standard pizza box?
There is no single universal standard. Most North American pizzerias stock 12, 14 and 16 or 18 inch boxes to cover their most common pizza diameters, and choose the exact size based on their own order mix rather than one industry default.

Is a 12-inch pizza box the same as a 12-inch pizza?
No. The 12-inch label refers to the box's outer dimension. A 12-inch pizza typically ships in a box closer to 13x13 inches to leave clearance around the crust.

What size box does a 16-inch pizza need?
Most suppliers put a 16-inch pizza in an 18x18 inch box. KimEcopak's current stock tops out at 18x18, which covers this size without moving to custom production.

Do deep-dish pizzas need a different box?
Yes. Depth needs to increase to roughly 2.5 to 3 inches so the lid doesn't press into the toppings, compared to about 2 inches for a regular crust.

Sources and method

Industry size ranges and clearance figures were cross-checked against multiple foodservice packaging suppliers, including WebstaurantStore's pizza box sizing guide, Packify Custom Boxes, and PackJing, accessed August 2026. KimEcopak-specific figures (stocked sizes, MOQ, mold fee) were provided directly and are not derived from public web sources.