The measuring tool is a quick way to measure the floor and this can be used in View Only mode or the Edit Floor mode.
From the Spaces module, complete the following:
In the Spaces toolbar, click the Measuring Tool icon.
Click on the floorplan and drag across between the two points you want to measure. The tool displays the measurement as you drag and the most recent measurement is added to end of the list in the Measuring Tool panel. The panel displays the last 15 measurements.