Open NetSpot and click “Start a New Survey.”
Name your new project.
Upload or draw a new map.
Click on two points on the map and enter the actual distance between them in feet or meters.
Walk to one corner of your area and click a point on the map that corresponds to where you are standing. Let the app take the measurements — wait for green circle to appear on map.
Measure your whole space and once done — click the Stop Scan button.