| Tool | Platform | Learning Curve | KML Quality | | :--- | :--- | :--- | :--- | | (with CAD plugin) | Win/Mac/Linux | Medium | Excellent (preserves attributes) | | Google Earth Pro (built-in importer) | Win/Mac | Low | Good (but struggles with complex DWG) | | Blender + GIS add-on | Win/Mac/Linux | High | Excellent (3D extrusions) |
Users needing to convert large numbers of files or complex drawings.
The conversion process typically involves the following steps: dwg to kml online converter free link
Click “Convert to KML.” Wait 10–60 seconds.
DWG files usually use local, projected coordinate systems (like State Plane or UTM) measured in feet or meters. KML files require a global geographic coordinate system ( WGS 84 ) measured in latitude and longitude degrees. | Tool | Platform | Learning Curve |
Pick one of the free links above, upload your CAD file, and see your floor plan or site map floating accurately over real satellite imagery in Google Earth, all in under 60 seconds.
Several free trial versions of third-party plugins allow direct export from your local CAD command line. KML files require a global geographic coordinate system
: After the process finishes, download the resulting ZIP or KML file to open in Google Earth or Google Maps. Free Desktop Alternatives
No single online tool perfectly converts all DWG files to KML because CAD drawings and GIS maps are fundamentally different. But the three converters above give you the best chance of success – without spending a dime.
To ensure your converted KML file displays correctly in Google Earth :