HEATKEYS

Perform conversions between 2100 various units of measure in more than 70 categories.

Free Online Math Calculators and Converters. Mathematics Calculation is made easier.

Tools and Basic Information for Design, Engineering and Construction of Technical Applications

The second largest translation marketplace.

The Calculator Home Page has free resources, calculator software downloads, calculate online, units conversions, physical properties and constants, and help.

online unit converter - the richest collection of converters for online unit conversion.

News, Events, Online Bookmark Manager, Online Receipt Storage and Other Online Tools

Metric conversions - metric conversion calculator and charts including temperature, weight, volume, area, length, plus currency converter

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

Online Converter is a resource for unit converters, conversion factors, measures and calculators.

Converter provides units and measures conversions. For scientific, educational and general purposes to convert from one unit to another. For science and education.

Units dictionary and conversion, space and time, mechanics, heat/energy, electricity and magnetism, light, radiation, acoustics.

The engineering page provides webbased calculation and information services for engineers. The calculations include pressure drop, line sizing, pump applications, centrifugal pump sizing and heat exchangers including thermal rating. The calculations ...