HEATKEYS

Online reference tool for mechanical designers. Includes engineering data tables, material info, manufacturing methods, software guides, design guides and more!!

Online Conversion is a resource for weights, measures, calculators, converters.

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

Tools by Digital Dutch

Knovel Unit Converter enables you to convert between any scientific and engineering units of measurement

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

Download fully functional evaluation copies of our engineering, project management and risk analysis software, or follow our links to other sites.

Infoplease.com, a free, authoritative, and respected reference for Internet users, provides a comprehensive encyclopedia, almanac, atlas, dictionary, and thesaurus. Infoplease.com contains facts on all subjects including sports, entertainment, techno...

Online weights and measures conversion. Online calculators for quick and easy metric conversion, conversion tables for both commonly used and very exotic units.

Convert measurement units for metric, imperial systems and more. Includes conversion charts, tables.

Engineering information and connections for the global community of engineers. Find engineering games, videos, jobs, disciplines, calculators and articles…