Screen Ruler is a lightweight, but configurable ruler tool for Windows Desktop. It allows you to measure the size of elements on the screen in different units, including pixels, centimeters and inches. The ruler can be moved and resized precisely using either the mouse or the keyboard and custom marking lines can be added. Besides coming with a light and a dark theme, Screen Ruler also allows you to fully customize its appearance by changing all color settings. Features:

Measure in pixels, centimeters, inches and points Dark theme and option for custom coloring Horizontal or vertical orientation Add arbitrary number of custom marking lines Auto-mark center or thirds of ruler Precise moving and resizing with keyboard shortcuts Fully portable with no installation needed