Option Explicit
Sub testme01()
Dim myRng As Range
Dim myCell As Range
Set myRng = Nothing
On Error Resume Next
With Worksheets("Somesheetnamehere")
Set myRng = .Range("B2", .Cells(.Rows.Count, "B").End(xlUp)) _
.SpecialCells(xlCellTypeConstants)
End With
On Error GoTo 0
If myRng Is Nothing Then
MsgBox "No constants!"
Exit Sub
End If
For Each myCell In myRng.Cells
With myCell
.NumberFormat = "General"
.Formula = "=" & .Value
End With
Next myCell
End Sub