1)   JR Screen Ruler Pro 3.0
The JR Screen Ruler is a great tool that allows you to accurately measure anything on your screen. This is especially useful when measuring graphics, web page browser sizes or whatever. Screen Ruler can display Pixels, Inches, Picas, Centimeters.

 2)   WonderWebware.com Screen Ruler 3.0
This tool is designed and made for one single purpose - to help you to measure anything on your screen.

 3)   JR Screen Ruler 1.4
The JR Screen Ruler is a great tool that allows you to accurately measure anything on your screen. This is especially useful when measuring graphics, web page browser sizes or whatever. Screen Ruler can display Pixels, Inches, Picas, Centimeters.

 4)   Abilities Builder Measure It 1.1
Build linear measurement skills, with English and metric rulers. This multimedia program uses the Microsoft Agent Peedy, a parrot character. Printed worksheets and tests can also be generated.