# How to Convert inch to mm in Excel (3 Simple Methods)

Converting one dimension to another dimension seems to be a difficult task most of the time. We need to convert inch to mm, mm to feet, kg to pound, and so on. By knowing how to convert inch to mm in Excel, we can convert any values in inch to mm very easily in Excel.

## 3 Methods to Convert inch to mm in Excel

Various dimensions to other dimensions can be converted using Excel very easily. To convert inches to mm in Excel, we have made a dataset of the vertical Distance (in Inch) of pumps from the basement of an effluent treatment plant based on the given Pump Number. The dataset is like this. We shall now discuss useful methods to convert inch to mm in Excel.

### 1. Applying CONVERT Function

Applying the CONVERT function is the most common method to convert a dimension to another dimension. To convert inch to mm we have to follow the steps below.

Firstly, we have to select the cell to where we need to convert from inch to mm. Here, in the picture below, we have selected the D5 cell which is the row of Pump 1.Then to convert inch to mm, we need to apply the following formula.

`=CONVERT(C6,”in”,”mm”)`

Here, C6 cell refers to the Distance of Pump-1 from basement in inch, “in” (from_unit argument) refers to inch and “mm” (to_unit argument) refers to millimeter which is the converted dimension from inch. We can then convert every cell with the dimension inch to mm by using the Fill Handle. We need to drag down the reference D6 cell by holding the cursor on the right bottom corner of the cell like this. It will give the converted dimensions like this. ### 2. Using Manual Method to Convert inch to mm in Excel

We can also use a manual method to convert inches to mm. We know that 1 inch equals 25.4 mm. We can write in the D6 cell like this.

=C6*25.4

Here, C6 cell refers to the Distance of Pump-1 from the basement which value needs to be converted to mm. The sign “*” refers to Multiplication. The number 25.4 refers to 1 inch equals 25.4 mm. We can then use Fill Handle to fill up other cells from D7 to D11 which follow the same conversion of reference cell D6. Read More: How to Convert Inches to Feet and Inches in Excel (5 Handy Methods)

### 3. Utilizing VBA Code to Convert inch to mm in Excel

Lastly, we can convert inches to mm using VBA through a simple process. For doing this, we need to follow the below steps.

Step 01: Go to Visual Basic Window

• Firstly, we need to look for the Developer tab in the Home
• Then, we should select Visual Basic from the Developer Step 02: Open a Module from Insert Button

After finishing the first step, we need to go to the Insert button and then we need to click on Module. Step 03: Generate the Code and Run it

Clicking on Module a window will appear on the screen. Next, We need to copy and paste the following code into this window.

``````Sub Convert_VBA()
Dim k As Integer
For k = 6 To 12
Cells(k, 4).Value = Application.WorksheetFunction.Convert(Cells(k, 3).Value, "in", "mm")
Next k
End Sub

`````` Finally, we should select Run from the top ribbon and close the window. (Also, you may press the F5 key). And at last, we need to go to our spreadsheet where we’ll find the conversion of an inch to mm.

## Things to Remember

• We need to use signs like commas, colon, etc. inside the CONVERT function carefully. Otherwise, we won’t get the desired converted value.
• For the manual method, we have to always use 1 inch equals 25.4 mm
• For extended use, applying the CONVERT function is more suitable than the manual method. Because it can give relief from creating mistakes to take 25.4 as the relation between inch and mm.

## Conclusion

How to convert dimensions in excel is a very useful topic in Excel. In this article, we can get a clear concept of conversion between inch and mm with both the CONVERT function and the manual method.

## Related Articles #### Towhid

Hello, myself Shajratul Alam Towhid. Basically, I am a Naval Architect who wants to expand knowledge in the field of Microsoft Excel. I wish all of my articles will be beneficial for the readers.

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