Converticious, a free web application will let you convert different units of temperature, volume, distance, weight, area and speed online. This is a very simple interface which has the units divided into categories which are present on the home page. On selecting the type of conversion you want, you will be presented with the different possible conversions available.
In order to perform a unit conversion, select a type of unit and then Select a converter, enter a value, choose the units, choose number of decimal if you want and click on convert to get your converted value. There are already many types available and more types are to be added soon.
Make your conversions using www.converticious.com
I use Google search feature for most of this 🙂
Try it.. Its worth trying