A Ruler for Windows

A Ruler for Windows is a FREE virtual on screen ruler for Windows Vista, XP and 2000.

With A Ruler for Windows you have your choice of a rich woodgrain ruler, or at the touch of a button, a clear see-through plastic ruler.

Measurements are in pixels

The ruler can be flipped horizontally or vertically, resized to an exact length or resized by dragging it to a desired length.

Ticks can be placed on which ever long edge you prefer. You can click near tick to have a measuring line automatically drawn at an exact location.

Special 2x, 3x, and 4x modes allow you to take a snapshot of your primary screen and magnify it so you can more easily measure between very fine points.

A Ruler for Windows lets you layer one or more rulers on your screen at once.

http://www.arulerforwindows.com/