If you are looking for ways to plot a particle size distribution curve in Excel, then this article will serve this purpose. So, letâ€™s get into the main article to know the detailed steps of plotting this curve easily.

## What Is Particle Size Distribution Curve?

The Particle Size Distribution curve helps determine the arrangement of different sizes of particles in a sample. By considering their sizes we can determine the average particle size easily, the particle of size smaller than the average size will be considered as the smallest particle size, and the particles having a larger size than the average size are known as the largest particle size. In the particle size distribution curve, we will try to combine these various sizes of particles to give an idea about the particles remaining in the sample.

## How to Plot Particle Size Distribution Curve in Excel: 5 Steps

Here, we have the following dataset containing *Sieve No.*, *Particle Size (mm)*, and *Mass Retained (g) *of some particles in a sample. By using this dataset we will calculate the *Percent Finer *of these particles and then plot these values with respect to the *Particle Size (mm) *of the particles. In the following steps, we are going to describe the whole procedure of doing this job.

We have used *Microsoft Excel 365 *version for this article, you can use any other version according to your convenience.

__Step-01__: Calculation of Percent Finer to Plot Particle Size Distribution Curve in Excel

Firstly, we will calculate the ** Percentage Finer **values in the

**column, and to get the values we will need the**

*% Finer***values in the**

*Percentage Retained***column.**

*% Retained*To get the values in the ** % Retained **column, we will need to get the total retained mass of the particles first.

- Enter the following formula in cell
**D11**.

`=SUM(D4:D10)`

Here, **the SUM function** will determine the added value of the range **D4:D10**.

Now, move to the calculation of the ** Percent Retained **values.

- Apply the following formula in cell
**E4**.

`=(D4/$D$11)*100`

Here, the value of the mass of the particle in cell **D4 **will be divided by the total mass in cell **D11**, and then the quotient will be multiplied by **100**. By using **absolute referencing** in cell **D11 **we are fixing this cell for the formulas of the rest of the cells.

- Drag down the
**Fill Handle**

In this way, we will get percentages of the retained particles in the **%Retained **column.

Lastly, we will now determine the ** percentage finer** of the particles to plot the curve.

- Enter the following formula in cell
**F4**.

`=100-E4`

Here, the value in cell **E4 **will be subtracted from **100**.

- In cell
**F5**, write down the following formula.

`=F4-E5`

Here, we are subtracting the ** % Finer **in cell

**F4**to the

*% Retained*of cell

**E5**of the following row (

*Row 5*).

- Drag down the
**Fill Handle**tool to copy this formula pattern throughout the rest of the cells.

Eventually, you will have the ** % Finer **of the particles for all of the sieve numbers.

__Step-02__: Inserting Chart to Plot Particle Size Distribution Curve in Excel

In this section, we will insert a chart using the **Particle Size **and **% Finer **columns to form the ** Particle Size Distribution **curve.

- Go to the
**Insert**tab >>**Charts**group >>**Insert Scatter (X, Y) or Bubble Chart**dropdown >>**Scatter with Smooth Lines and Markers**.

After that, we will get this blank chart and to get the full chart **Right-click **here.

- Choose the
**Select DataÂ**option.

- Click on the
**Add**option of the**Select Data Source**dialog box.

Then, you will have the **Edit Series **dialog box.

- Choose the range
**$C$4:$C$10**as**Series X values**and the range**$F$4:$F$10**as**Series Y values**and finally press**OK**.

After that, you will be taken to the **Select Data Source **dialog box again where you will see the newly created series named **Series 1**.

- Press
**OK**.

Eventually, we will get the following chart.

**Read More:** How to Create a Distribution Chart in Excel

__Step-03__: Formatting Chart Area

Here, we will format the chart to make it more understandable.

**Right-click**on the chart and then select the**Format Chart Area**

Afterward, the **Format Chart Area **wizard will appear on the right side of your worksheet.

- Go to the
**Size & Properties**tab and then use**4 inches**as**Height**and**7 inches**as**Width**.

In this way, we have increased the chart area for a great visualization.

__Step-04__: Formatting X-Axis and Y-Axis

- To edit the
**X-axis**,**double-click**on this axis to select it and then**right-click**to bring the**Context Menu**

- Choose the
**Format Axis**

Then, the **Format Axis **wizard will appear on the right side of your worksheet.

- Go to the
**Axis Options**tab and then do the followings.

**Bounds â†’ Maximum â†’ 10.0
**

**Units â†’ Major â†’ 10.0**

**Vertical Axis Crosses â†’**click on

**Maximum axis value**

- Check the boxes of the
**Logarithmic scale**option and the**Values in reverse order**

Now, scroll down to see the remaining options.

- Select the
**Inside**option of the**Major type**and**Minor type**, the*Tick Marks***Next to Axis**option as, and*Label Position***General**as the**Category**of**Number**.

Then, our chart will turn into like the following and we have to edit the **Y-axis **now by **right-clicking** here and selecting the **Format Axis **option.

In the **Format Axis **pane, go to the **Axis Options **first and then do the followings.

**Bounds â†’ Maximum â†’ 100
**

**Units â†’ Major â†’ 10.0**

**Vertical Axis Crosses â†’**click on

**the Axis value**option (the box beside this option automatically shows

**0.0**)

After scrolling down we will see the remaining options.

- Select the
**Inside**option of the**Major type**and**Minor type**, the*Tick Marks***Next to Axis**option as, and*Label Position***General**as the**Category**of**Number**.

After formatting the axes we will have the following chart.

__Step-05__: Customizing Chart Elements

- Click on the symbol of the
**Chart Elements**.

- After selecting the symbol beside the
**Gridlines**option, check the**Primary Minor Vertical**

- Check the
**Primary Horizontal**and**Primary Vertical**options under the**Axis Titles**

After enabling the stated options, we will see the minor vertical gridlines in the chart which will help us acknowledge this chart as a ** Logarithmic chart**. Furthermore, we will have space to write the titles of both axes.

- We have changed the
**X-axis**as, and the*Parcel Size, mm (log scale)***Y-axis**as.*% Finer*

Then, we changed the font size of the titles from **9 **to **11 **and the numbers in the axes from **9 **to **10**. In this way, we can understand this plot easily.

## Practice Section

For doing practice by yourself we have provided a** Practice** section like below in each sheet on the right side. Please do it by yourself.

**Download Workbook**

## Conclusion

In this article, we tried to plot a particle size distribution curve in Excel. Hope you will find it useful. If you have any suggestions or questions, feel free to share them in the comment section.

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