Measurement converter based on Flash

Unit Converter Professional

There's an endless supply of Web-based tools that can convert just about any measurement from one unit to another. If you need to convert really obscure units, though, or need a conversion tool on a regular basis, try Unit Conversion Professional from Inventive Design. It's a free Flash-based tool that converts more than 800 pairs of units in 32 categories. It also includes a calculator and a library of scientific formulas.