Onde Rulers is a highly configurable screen measurement for your Mac with many intuitive features.
Onde Rulers` screen ruler enables you to measure objects quickly and precisely on your screen in Pixels, Inches, Picas, Centimeters and multiple customizable units according to your needs.
Onde Rulers measure square areas, diagonals and display angles. A horizontal and vertical ruler can be used independently or simultaneously.
Diagonal ruler make it easier to measure diagonal objects.??