Convert

I had tried a couple of unit conversion tools on my PC until I tried this small program called "convert". But this one is so cool that I'm not going to find any new one. It includes many conversions with cool interface. It is portable, light, fast and user friendly. And it is freeware.
The developer said,

Convert is a free and easy to use unit conversion program that will convert the most popular units of distance, temperature, volume, time, speed, mass, power, density, pressure, energy and many others, including the ability to create custom conversions!Convert is a free and easy to use unit conversion program that will convert the most popular units of distance, temperature, volume, time, speed, mass, power, density, pressure, energy and many others, including the ability to create custom conversions!

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