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As you all know, the thickness of a paper is one of the most crucial things to consider when selecting the right paper for your packaging.

That said, the thickness of paper varies from one to the next, depending on the type, quality, etc., of a given paper.

While measuring the thickness of a paper might seem impossible or a difficult task, it’s quite possible and simple.

In our quick guide below, we’ll walk you through the two best methods of determining paper thickness (including the most accurate one).

## 1. Determing the thickness of paper using 12-inch ruler

The simplest way of determining the how thick is a sheet of paper involves using the 12-inch ruler. Since the divisions on this ruler are too big to measure a single paper sheet, this method will only work when you’ve got a bunch of similar papers.

We’ll also assume that all the papers in the bunch are of the same thickness.

To obtain the paper thickness:

- We first take the thickness of the entire stack of papers with the ruler.
- After noting down this measurement, you’ll then need to know the total number of papers that make up the stack.

You can count the papers one by one but that might take a lot of time.

An easier way of getting the total number is using the numbering of the papers (most manufacturers indicate the number of pieces in the bundle, which will make your work easy).

If you’re working with a bundle with papers numbered on both sides, however, you’ll need to divide the total number by 2 to get the exact number of papers it contains.

Read Also: How To Print Onto Paper Bags

**Example:**

Let’s say that the last page in a given paper stock is 500. If you divide this by 2, you’ll get 500/2= 250 (which is the exact number of pieces).

Now,

Let’s say you found the thickness of the bundle to be one inch thick.

To get the thickness of a single page, divide the total thickness by the number of pages:

That is, 1/250=0.004.

The thickness of each paper is 0.004 inches.

We’ve just obtained the thickness of a piece of paper with an ordinary ruler! However, this method might not be 100% accurate as there are many assumptions made.

Besides, the method might not help if you’re dealing with a single piece of paper…which brings us to our second measuring method for measuring a single sheet below:

## 2. Know how thick is a piece of paper Using A Micrometer

The best way to obtain the thickness of a single paper sheet involves using a micrometer or a dial caliper or paper thickness gauge.

There are both analog and digital models, but we recommend you to use a digital model as its easier to read and will give you more accurate measurements.

Check the video below on how to use this tool to measure your papers.

**Conclusion**

These are the two methods of obtaining the thickness of paper.

As we’ve just said, knowing the thickness of a paper is quite crucial when choosing which papers will meet your needs.

Of the two methods above, the ruler method is ideal when working with a bunch of papers. The second method (which is more accurate) will come handy when measuring a single paper.

Overall, the readings taken using the two methods aren’t much different when compared, meaning you can reliably use any of them.

Thanks very much