How to Convert UTM Coordinates into Latitude and Longitude values via Excel VBA

With UTM converter you can easily convert UTM coordinates into Latitude and Longitude values. A Universal Transverse Mercator (UTM) coordinate is made up of a zone number, an easting, a northing and a hemisphere (N/S).

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If you want to start to use the software as soon as possible, then you can:

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Otherwise, if you want to DIY, you can read the contents below.

Let’s Prepare the GUI

As shown in the image, leave top 4 rows of the excel sheet for holding Map Datum, Zone and Hemisphere. These 3 values will be used for all rows in the Excel sheet. At Row 5, starting from Column A, add these as headers

  1. DLS_KEY
  2. RM

Value on Columns A through Column D is input and the output i.e., Latitude and Longitude gets displayed on Columns E and FPrepare The GUI

Let’s make it functional

Copy the script into a new module and attach the macro to the button on the Sheet. Please make sure that your machine has Internet explorer. Without IE this script will not work.

Let’s test it

When you run the macro, you can easily track the status from the status bar of your Excel application. As we have manually induced some pause between each conversion, the macro will take the time to convert all your UTM coordinates into Lat and Long values. When all records are processed, you can see a Pop-Up message on the screen. If the macro is not able to save data on sheets, its might be because of corruption in your Excel file. Fix corrupt Excel file and run the script again.Track The Status From The Status Bar Of You Excel Application

A Pop-Up Message On The Screen


Sub UTM_Converter()
' Place all your declarations here
    Dim i As Long
    Dim browobject As Object
    Dim obj1 As Object
    Dim obj2 As Object
    Set browobject = CreateObject("InternetExplorer.Application")
    browobject.Visible = False
'Process each row in the excle till the macro meets the last used row
    For r = 6 To 9
' Navigate to the URL to process data
        browobject.navigate ""
' Inform Users about the status
        Application.StatusBar = "Macro is converting data. Please wait... Now at Row : " & r & " /// Total Rows : " & Sheets("UTM to LAT LON").Range("C" & Rows.Count).End(xlUp).Row
' As this is dynamic, we have to wait for the browobject to process input and generate output
        Do While browobject.Busy
            Application.Wait DateAdd("s", 1, Now)
        Application.Wait (Now() + TimeValue("00:00:02"))
'Lets populate the form
        browobject.document.getElementById("mapDatum").Value = "1"
        browobject.document.getElementById("utmZone").Value = "14"
        browobject.document.getElementById("utmHemi").Value = "N"
        browobject.document.getElementById("utmEasting").Value = Sheets("UTM to LAT LON").Range("C" & r).Value
        browobject.document.getElementById("utmNorthing").Value = Sheets("UTM to LAT LON").Range("D" & r).Value
        Set obj2 = browobject.document.getElementsByTagName("input")
        v_length = 0
        While v_length < obj2.Length
            If obj2(v_length).Value = "Convert Standard UTM" Then
                GoTo comehere
            End If
            v_length = v_length + 1
' Wait while browobject loading...
        Do While browobject.Busy
            Application.Wait DateAdd("s", 1, Now)
        Application.Wait (Now() + TimeValue("00:00:02"))
'Show converted data on the sheet
        Sheets("UTM to LAT LON").Range("F" & r).Value = browobject.document.getElementById("decimalLongitude").Value
        Sheets("UTM to LAT LON").Range("E" & r).Value = browobject.document.getElementById("decimalLatitude").Value
    Next r
' Show browobject
    browobject.Visible = False
' Clean up
    Set browobject = Nothing
    Set obj1 = Nothing
    Set obj2 = Nothing
    Application.StatusBar = ""
'Inform User that entire process was completed
    MsgBox "Converted !", vbInformation, "UTM to LAT LON converter v1.0"
End Sub

Author Introduction:

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