Free Screen Ruler
Very useful tool for desining web pages. It helps you to measure the distance between two points on your screen or get the exact location and size of an element on a web page.
Screen ruler from WonderWebWare:
- can measure in pixels, millimeters, centimeters and inches
- has horizontal and vertical guides
- is highly customizable (resizable, stay on top, adjust tranparency ...)
- is FREE to use