How to Mesure Box Dimensions for Custom Packaging Project

July 28, 2022

Box dimensions are not just about length, width, and depth(height). Getting box measurements correct is a critical part of any product packaging design.
We wrote this article for our clients to get more information about box dimensions in the packaging industry.

Measuring box dimensions for a custom packaging project is kindly more complex than it may seem.

Why Box Dimensions a Crucial Part of Measurements?

Custom-fit packaging is always necessary for a business as unique as yours. Besides, the right size makes your product look pretty and helps you save on shipping and custom packaging materials.

The minimal room for movement in your box means minimal space for damage and a reduction in your overall costs. That could save your business thousands of millions of dollars in lost revenue. Moreover, it boosts your brand’s prestige.

custom fit box dimensions packaging boxes

Before the Box Dimensions Measurement

As we said at the beginning of this article, we’re not just talking about the size of the box. We care about your products:

Is it Fragile

Does it need any protective packing? Maybe inserts like foam, tray, or EVA could help make it safer.

rigid packaging box with protective for fragile item

rigid box with protective for fragile item

Placement of Products in Packaging

Put the best side of your product to get the most exciting unboxing experiment. That might conflict with traditional space calculation.

When Custom a Box, Focus on Interior Dimensions

The basic rule of thumb in the packaging industry in measuring custom boxes is making all interior dimensions. No matter how thick the material is, the internal size assured that all products would fit inside our custom packaging.

box interior dimentions vs exterior dimentions

Interior Dimensions vs Exterior Dimensions

Never use exterior dimensions as your project packaging size. It might not fit your product correctly. Worse, this could feasibly damage particular products that need the packaging to hold tight.

The best idea for checking if the size properly fits is to make a sample first. C MIC Packaging can make you samples within 3 days. Request for free samples >

Step by Step Box Measures Guide(with Examples)

Now let’s do this:

Step 1: Products Measurements First

Lay out all the products you want to pack on a flat surface. Simulate precisely how you want them placed inside your custom packaging box.

For off-sized items like false press on nails or CBD bottles, start by measuring the widest part of the product. It will make it easier to foresee how it looks inside the box.

magnetic flap packaging box for press on nails

example: magnet box with window for press-on nails

(Normally, we recommend a magnet lid packaging box with an open window and paper tray inserts for press-on nails, which are eco-friendly and elegant. You can contact us for more special design.)

Step 2: Measure the Space and Write it down

Measure the length from side to side;
Measure the width from back to front;
Measure the depth(height) from top to bottom.

Step 3: Add the Allowance Size for your Custom Packaging

We suggest adding an allowance of 0.25″(a quarter of an inch) to make it easy for items to be put in or carried out.

Measuring Packaging Dimensions with Examples

We selected commonly used paper packaging in the industry to demonstrate the measurement of dimensions.

rigid box dimensions

example: box dimensions with rigid box

corrugated box dimensions

corrugated box dimensions

card box dimensions

card box measurements

paper bag dimensions

paper bag measurements

label and hangtag dimensions

label & hangtag dimensions

The Simplest Way for Custom Box Dimensions

With 12 years of experience in the packaging industry, we noticed it could be hard to choose a better type of box & dimensions when you focus on your product.

That’s why C MIC Packaging provides the one-stop custom packaging solutions for you:

Send C MIC your products, and we will design samples for you within 3 days. It’s FREE! >

cmic packaging design platform

Share this post on your social media platform and forget about what you’ve just read. You don’t need to know those cause you’re now dealing with the professional packaging company and getting 7% discount within a month. Come on now!

Wonderful! Share this Case:

This is What I Need, Contact to Customize.

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