To use the Measurement Tool, click 'M' on your keyboard or click the "Measures" button on the top toolbar.
Click on the point where you’d like to begin measuring and drag to create a measurement line or click to start your measure, move your mouse to your end point, and click again to create your measure.
Press the shift key to keep your line locked to 90 degree angels. You can create as many measures as you'd like. You can delete individual measures by clicking on the measure and pressing delete or you can delete all measures by clicking the 'Delete All' button.
When completed, press enter or select 'Done' at the top right hand side of window to exit the Measurement Tool.
To hide the measurements on your testfit, use the layer tab to hide and shown measurements as required.
To change the units, open the left-hand menu, click on Settings, and select the Imperial (feet and inches) or Metric (meters) unit of measure.
To delete measurements, click on Delete All in the top right corner.
