I am supposed to have some numeric values in ArcGIS 10.2 for Desktop with 3 decimals Digits and then convert them to Microstation or AutoCAD. I did this Setting using field calculator and 'round' function in ArcGIS but when I convert it to CAD again it would come with more than 10 decimals which is not desired.

  • Can you not set this in the CAD software?
    – ianbroad
    Apr 17, 2014 at 15:59
  • 1
    How are you exporting? what data type are you exporting from? where are you using it in cad? as a label/annotation? in a table? the other thing to try is to set the field property in arcmap, and then do your export.
    – Brad Nesom
    Apr 17, 2014 at 20:10
  • I Export using data interopeability, the data types are shapefiles, I use the converted in AutoCAD ad MStation.
    – user29324
    May 6, 2014 at 9:34

1 Answer 1


After you round the values, you could create a new field and make sure to set the scale to 3 and calculate the values over.

Check out the ArcGIS 10.2 Online Help for Add Field:


Sets the number of decimal places stored in a field. This parameter is only used in Float and Double data field types.

If the input table is a personal or file geodatabase the field scale value will be ignored.

  • Well, actually I have tried your affer as well but it does not work since it is Kind of just visual and not real. Also, in FGBD you can not Limit it so I have exported to shape file and add the new field with Limit 3 Digits but when gaon Comes to FGDB still would with more that 3 Digits.
    – user29324
    May 6, 2014 at 9:37
  • My only other suggestion would be to ask on the Autodesk CAD forums and see if they have a recommendation. It may be something you can change on the CAD side forums.autodesk.com
    – ianbroad
    May 6, 2014 at 13:57

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