Have you ever wanted to be able to visually measure a space on your website or design so you could plan an object of an appropriate size?
NRuler is a free multiplatform screen ruler and unit converter which lets you measure anything on your screen. It comes with a unit converter that lets you convert betweeen measurement units.
Any operating system with Java version 6 or higher. Java can be dowloaded for free from here: http://java.com/en/download/
NRuler makes working with it easy by providing quick keyboard shortcuts. Right click on the ruler and click Help to learn how to use it.
If you have any comments about this tool or would like request features for new releases, please submit a comment on this blog post: http://blog.noutash.com/2009/12/20/nruler/.