Do you know the density of paper and how to measure it? No? Then read out this article till the end. There are so many types of paper available like tissue paper, toilet paper, drawing paper, and many more. And they all have different densities because of their different raw materials. In the standard definition, you can say the paper is a flat sheet material produced by mechanically or chemically processing cellulose fibres derived from wood, rags, grasses, or other vegetable sources in water. Just imagine what would happen when there was no paper. Ohh, God! Cannot imagine that all books, notebooks, and other paper materials were not available, which play a key role in our life. Let’s know the density of paper.

**What Is The Density Of Paper?**

The density of paper is 368 g/m2. Now, you may think about the unit I have used g/m2. Because generally we see the unit of density is g/cm3, but in the paper and pulp industries g/m2 is used as the unit of density. It is called grammage or metric measurement, which is the actual weight of one sheet of media cut 1 x 1 metre square. Because the same size sheet is always being weighted GSM means grams per square metre provides a more uniform scale to judge a paper’s weight and thickness. But, the density can be converted into g/cm3.

Actually, you can not predict the exact paper density because there are so many types of paper and every paper has a different density. For example, the density of toilet paper ranges from 50 g/m2 to 134 g/m2, the density of A4 paper is 80 g/m2, the density of tissue paper is 0.24 g/cm3, and the density of paper board is 0.648 g/cm3. Let’s know the density of paper in other units also.

The density of paper lb/in3 is 0.043 lb/in3, the density of paper g/cm3 is 1.2 g/cm3, and the density of paper pounds per cubic foot is 74.98 pounds/ft3.

Well, you have an understanding of what is paper density. Let’s learn the definition of paper density.

**Definition Of Density Of Paper**

The paper density is defined as the weight of paper expressed as grams per square metre. Or the mass per unit area. Here they use area instead of volume because grammage is the most common method to describe the weight of paper, although it is often applied to a variety of materials including fabrics and plastics. The grammage means the mass per unit area and is expressed as grams per square metre. In the symbolic form.

The density of paper = weight of paper area of paper sheet g/m2

Or

d = ma g/m2

Where, d is the density of paper

M is the mass or weight of paper, and

A is the area of a paper sheet.

Always keep in mind that, you can calculate the density of paper by a traditional density formula of mass divided by volume, but in the case of paper it is preferred mass per square metre, it is a metric system.

Let’s learn how is the density of paper measured in an SI unit system.

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**How To Calculate Density Of Paper**

To calculate the density of paper you need to determine the mass and volume of the paper. It is so simple, just follow the steps given below.

- Firstly select a sheet for which you want to calculate the density.
- With the help of scale measure the dimensions of that paper and calculate the volume.
- Most paper is rectangular in shape.
- Determine its weight.
- Now, divide mass by volume, and you will get the paper density.

Let’s understand by example.

If a rectangular sheet of paper with a length of 10 cm, a height of 5 cm, the width of 1 cm, and its weight is 1 gram. Then what will be its density?

First of all, find its volume as,

The volume of paper sheet = 10 x 5 x 1 = 50

So, by using the paper density formula,

The density of paper = weight of paper volume of paper sheet g/m3

d = 1/50

d = 0.02 g/cm3.

Let’s find out the densities by visiting Denseme

**FAQ**

**What Is The Density Of One Paper?**

Paper, standard weighs 1.201 gram per cubic centimeter or 1 201 kilogram per cubic meter, i.e. density of paper, standard is equal to 1 201 kg/m³. In Imperial or US customary measurement system, the density is equal to 74.976 pound per cubic foot [lb/ft³], or 0.69422 ounce per cubic inch [oz/inch³] .

**What Is The Density Of A4 Paper?**

Typical office paper has 80 g/m^{2} (0.26 oz/sq ft), therefore a typical A4 sheet (1⁄16 of a square metre) weighs 5 g (0.18 oz).

**How Do You Find The Density Of A Sheet Of Paper?**

To determine the density of any given sheet, divide the basis weight by the caliper.

**Is Paper Denser Than Water?**

Paper floats because it is less dense than water, so it floats to the surface.

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**What Is The Density Of Paper In G Ml?**

0.61 g/ml

The density of a piece of notebook paper is 0.61 g/ml.

**What Is The Weight Of Paper?**

The thicker the paper stock is, the higher the weight is going to be. These weights can be **between 20 to 140 pounds**, depending on the type of material the paper’s made from. A nice bond paper has weights between 20 and 80, while card stock, which is heavier, ranges between 50 and 140 pounds.

**What Is The Density Of Copy Paper?**

Common office copy paper is **75 g/m2**.

**Conclusion**

In this article, you have learned about the paper density. The density of paper pulp is 1.012 g/cc which is different from actual paper density. When you see the density of paper vs water, you will find that paer density is less than water density, therefore paper is never immersed in water. Paper remains on the surface of water due to its low density. Now, you have understood the density of paper.

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