MrCalculator
Science, Reference, Units of Measurement, Online Calculators - MrCalculator. A collection of calculators that run in your web browser.
http://www.mrcalculator.com/
ninjasuit.com
Science, Reference, Units of Measurement, Online Calculators - Ninja Suit. Specializes in e-tools, such as online converters and calculators, for business, education, science, travel, research and enjoyment purposes.
http://www.ninjasuit.com
iAgora Conversions
iAgora's Internationals provide travel reviews and tips on travel and life abroad for countries and cities around the world. Use our conversion and travel tools.
https://www.iagora.com/itravel/tools/