SmartConversion.com is an online resource that provides unit conversion tools for more than 160,000 units of measurement
and some of the most used calculation tools, such as area and volume calculator for different shapes...
Web-Formulas.com is an online resource for people looking for formulas in math, physics and chemistry as well as tutorials and examples to
help you understand abstract theories, equations and so on...
SpeedyConverter.com is a mini version of SmartConversion.com which provides a universal converter that can easily carry out conversions between any units of measurements.