How to change positive numbers to negative in Excel?

How can you quickly change all positive numbers or values to negative in Excel? The following methods can guide you to quickly change all positive numbers to negative in Excel.

Change positive numbers to negative with Paste Special function

Change positive numbers to negative with VBA code

Change positive numbers to negative or vice versa with Kutools for Excel

Change positive numbers to negative with Paste Special function

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You can change positive numbers to negative with Paste Special function in Excel. Please do as follows.

1. Tap number -1 in a blank cell and copy it.

2. Highlight the range that you want to change, then right-click and choose Paste Special from the context menu to open the Paste Special dialog box. See screenshot:

3. Then select All option from the Paste, and Multiply from the Operation.

4. And then click OK, all of the positive numbers have been changed to negative numbers.

5. At last, you can delete the number -1 as you need.

Change positive numbers to negative with VBA code

Using VBA code, you can also change positive numbers to negative, but you must know how to use a VBA. Please do as the following steps:

1. Select the range that you want to change.

2. Click Developer >Visual Basic, a new Microsoft Visual Basic for applications window will be displayed, click Insert > Moduleand then copy and paste the following codes in the module:

Sub ChangeToNegative()
'Updateby20131113
Dim rng As Range
Dim WorkRng As Range
On Error Resume Next
xTitleId = "KutoolsforExcel"
Set WorkRng = Application.Selection
Set WorkRng = Application.InputBox("Range", xTitleId, WorkRng.Address, Type:=8)
Set WorkRng = WorkRng.SpecialCells(xlCellTypeConstants, xlNumbers)
For Each rng In WorkRng
    xValue = rng.Value
    If xValue > 0 Then
        rng.Value = xValue * -1
    End If
Next
End Sub

3. Click  button to run the code, a dialog is popped out for you to select a range that you want to convert the posItive values to negative. See screenshot:

4. Click Ok, then the positive values in the selected range is converted to negative at once.

Change positive numbers to negative or vice versa with Kutools for Excel

You can also use Kutools for Excel’s Change Sign of Values tool to quickly change all positive numbers to negative.

If you have installed Kutools for Excel, you can change positive numbers to negative as follows:

1. Select the range you want to change.

2. Click Kutools > Content > Change Sign of Values, see screenshot:

3. And in the Change Sign of Values dialog box, select Change all positive values to negative option.

4. Then click OK or Apply. And all of the positive numbers have been converted to negative numbers.

Tips: To change or convert all the negative numbers to positive, please choose Change all negative values to positive in the dialog box as following screenshot shown:

Kutools for Excel’s Change Sign of Values can also fix trailing negative signs, change all negative values to positive and so on. For more detailed information about Change Sign of Values, please visit Change Sign of Values feature description.

Click to Download and free trial Kutools for Excel Now!

Demo: Change positive numbers to negative or vice versa with Kutools for Excel

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Reverse signs of values in cells

Fix trailing negative signs in cells

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