Do you want to learn how to multiply by Pi in Excel? You’ve come to the right place. I’ll explain all the effortless methods in easy English, and of course with clear steps that you can follow along.

Excel is a powerful tool, often used for data analysis, financial calculations, and more. Understanding how to work with mathematical constants like Pi can significantly enhance your Excel skills.

Whether you’re working on scientific projects, engineering calculations, or even just a school assignment, knowing how to multiply by Pi efficiently can save you time and effort.

So, if you’re ready to boost your Excel proficiency and make those Pi-powered calculations a breeze, read on. I’ll break down the process into simple, actionable steps so you can easily remember. Let’s dive right in and unlock this valuable Excel skill right now!

## Reasons to Multiply by Pi in Excel

Here’s why you might want to acquire the Excel skill of multiplying values with Pi:

- Excel’s Pi simplifies circle-related computations, vital in architecture and engineering where precision is paramount.
- It aids students and professionals in geometry-related tasks, ensuring accurate solutions to complex geometric equations.
- Engineers rely on Excel’s Pi for precise calculations in structural design, fluid dynamics, and electrical circuits, guaranteeing safe and efficient solutions.
- Statisticians and analysts use Excel’s Pi to process data from circular measurements, enabling comprehensive insights into various datasets.
- The Pi function streamlines trigonometric operations, making it indispensable for trigonometry students and professionals working in fields like astronomy and navigation.
- It expedites repetitive calculations, saving valuable time for users dealing with numerical computations in various applications.
- Learning to use Excel’s Pi function boosts one’s mastery of this versatile software, an essential skill in today’s data-driven world.
- Researchers and scientists employ Excel’s Pi for accurate computations in physics, chemistry, and various scientific disciplines, ensuring reliable results.
- Professionals across industries, from finance to astronomy, rely on Excel’s Pi for accurate calculations, ensuring the quality and reliability of their work.

## Multiply by Pi with a Hard Coded Value in a Formula

To multiply by the hard-coded value of Pi (3.141592) in Excel, you can simply include this constant in your formulas. Here’s how you can do it:

- Suppose you’ve got values to be multiplied by Pi in
**column A**and you want the results in**column B**. So, highlight**B2**. - Enter the following formula in
**B2**:

`=2*3.141592*A2`

- Press
`Enter`to get the result.

- If there are more values in
**column A**, simply drag the fill handle down in**column B**to multiply those values using Pi automatically.

The above formula calculates the circumference from the radius of a circle.

## Multiply by Pi with Paste Special Multiply

Suppose, you need to calculate the area of circles from their radius values. The radius values are in **column A**. Convert these values to their square values in **column B**.

Now, put the value of Pi in **column C** starting from `C2`

down the column until there are radius square values existing in **column B**.

Highlight all data in **column B** and press `Ctrl` + `C` to copy the values.

Now, go to `C2`

and press `Ctrl` + `Alt` + `V` to call the **Paste Special** dialog box. There, select the **Multiply** option under the **Operation** section and click **OK**.

Excel will multiply the squared values of the radius with Pi and populate the area measurements of the respective circles in **column C**.

## Multiply by Pi with the PI Function

In Excel, the **Pi()** function is a built-in mathematical function that returns the mathematical constant **Pi (π)**, which is approximately equal to **3.14159265358979**.

If you enter the syntax **Pi()** in an empty cell followed by the equal sign, you’ll get this value **3.141592654**.

So, when you need to multiply any value with Pi, simply put the target value, put the multiplication operator, and type the Pi formula syntax.

Now, you could just hit `Enter` to get the result.

If there are more values in the source column and you need the Pi multiplied values in the destination column, simply drag the fill handle down the column.

## Multiply by Pi with a Named Constant

If you frequently multiply source values with Pi to get target values, you can create a named constant for the Pi value. The named constant will become available for reference in the whole workbook.

So, whenever, there are some values that need to be multiplied with Pi, simply put an equals, refer to the source data cell, put the multiplication operator, and type the name of the named constant you created, like Pi.

First, follow these steps to create a named constant for the value of Pi:

- Highlight any cell and put the following formula into it:

`=Pi()`

- Hit
`Enter`to get the numerical values of Pi.

- Highlight the Pi value cell.
- Now, click the
**Formulas**tab and go to the**Defined Names**commands block. - Click the
**Define Name**button. - On the
**New Name**dialog box, put a name for the constant that you can remember. - Click
**OK**to apply the defined name.

Suppose, the named constant is Pi. Now that you created a defined name for the value of Pi, follow these steps to put this into use:

- Go to the cell where you want to get the Pi multiplied value of a target data.
- Enter the following formula:

`=B2*Pi`

- Hit
`Enter`to get the result.

- Now, drag the fill handle down the column to copy the formula for the rest of the rows.

The above formula will only work for you if you’ve created a defined name for the Pi value as Pi. You can give another name too. Simply, replace the named range Pi with that name before applying the formula.

## Multiply by Pi with VBA

So far, you learned all the manual methods to multiply by Pi in Excel. However, manual methods aren’t suitable in workbooks where there are hundreds of worksheets and each worksheet contains tens of thousands of values needed for multiplication by Pi.

Here, you can use the following **Excel VBA** script to quickly multiply the target cell values with Pi by simply putting in one or two cell ranges. Find below the script and steps to use it:

- Call the
**Excel VBA Editor**tool by pressing the`Alt`+`F11`keys on the keyboard. - Click the
**Insert**button on the**VBA Editor menu**. - On the context menu that shows up, click the
**Module**option. - A new blank module will show up on the
**Excel VBA Editor**backstage. - Copy the following script and paste it into the blank module:

```
Sub MultiplyByPi()
Dim ws As Worksheet
Dim sourceRange As Range
Dim targetRange As Range
Dim cell As Range
Set ws = ThisWorkbook.Sheets("Sheet1")
Set sourceRange = ws.Range("B2:B5")
Set targetRange = ws.Range("C2:C5")
For Each cell In sourceRange
targetRange.Cells(cell.Row - sourceRange.Cells(1).Row + 1, 1).Value = cell.Value * 3.141592
Next cell
End Sub
```

- Click the
**Save**button to save the script for future use. - Now, close the
**Excel VBA Editor**.

Now, follow these steps to call up the Macro dialog box and use the Excel VBA script you just created:

- Press
`Alt`+`F8`to open the**Macro**dialog. - Find and select the
**MultiplyByPi**macro. - Hit
**Run**to execute the macro.

To customize the script so it works on your own worksheet, follow these instructions:

- Replace the source data range
`"B2:B5"`

with the actual source data range on your worksheet. For example,`"D2:D100"`

. - Similarly, change the destination data range
`"C2:C5"`

with the cell range where you want to populate the results. For instance,`"E2:E100"`

.

**Note:** If you use any VBA macro on a worksheet, you won’t be able to undo the changes made by the script. So, create a backup copy of your workbook before running the macro.

## Multiply by Pi with Office Scripts

The Excel VBA doesn’t work on Excel for the web. If you need to automate the multiply by Pi process in a worksheet on Excel online, you must use **Office Scripts**.

You can also use Office Scripts on Excel for the Microsoft 365 desktop app. Office Scripts gives you more flexibility with external automation like using Power Automate with Excel.

Find below the Office Scripts code and steps to implement in the present task:

- Click the
**Automate**tab on your Excel worksheet. - Go to the
**Scripting Tools**commands block and click the**New Script**button. - In the
**Code Editor**that appears, copy and paste the following script:

```
function main(workbook: ExcelScript.Workbook) {
let selectedSheet = workbook.getActiveWorksheet();
// Set range C2 on selectedSheet
selectedSheet.getRange("C2").setFormulaLocal("=B2*PI()");
// Auto fill range
selectedSheet.getRange("C2").autoFill("C2:C5", ExcelScript.AutoFillType.fillDefault);
}
```

- Click the
**Save script**button. - Click the
**Run**button to execute the script. - Excel will populate the results in the
`C2:C5`

cell range.

Here’s how you can customize the script in case your worksheet data doesn’t match the columns and cell ranges I used in the above example:

`"C2"`

is the first cell where you want to apply the Pi multiplication formula`"=B2*PI()"`

. Change it to another cell range where you want the Pi multiplied values of source data.- Excel will auto-fill the formula from
`C2`

until the`C5`

row in**column C**. This is decided by`"C2:C5"`

in the script. Suppose, you calculated the first value in`E2`

and need to copy the formula until the`E100`

row, change the reference to`"E2:E100"`

.

## Conclusion

So far, you learned how to multiply by Pi in Excel, a valuable skill that can simplify various calculations in your work and studies. With straightforward methods like Excel’s Pi function, manual entry, or custom VBA functions, you can save time and ensure accuracy in mathematical tasks.

Whether you’re an engineer, student, or professional in any field, this knowledge can enhance your Excel proficiency and streamline your work.

Excel’s capability to handle Pi effortlessly opens doors to more precise geometric, scientific, and engineering calculations. So, go ahead and apply what you’ve learned to excel in your Excel endeavors.

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