HEATKEYS

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

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

Tools by Digital Dutch

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

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

The Khan Academy is a not-for-profit 501(c)(3) with the mission of providing a world-class education to anyone, anywhere. Despite being the work of one man, Salman Khan, this 1600+ video library is the most-used educational video resource as measure...

PDF Converter Elite is a software package that lets users convert their PDF documents into Word, Excel, PowerPoint and also create, manage and edit PDFs anytime.

Get great science fair projects, kids science projects & experiments, & science articles at Science Made Simple. Free Sample Projects. Learn how to choose science fair topics & ideas, plan and perform your science experiment using the sci...

Metric Conversion calculators, tables and formulas for temperature, length, area, volume and weight metric conversions.

Physical Measurement Laboratory Homepage

Physics, astronomy and science news, community, education and reference. Job board, directories, forums, chat, education reference, fun and more.

Conversion and Calculation Center home page that contains links to our measurement conversion, currency exchange rate, world time zone, reference information, and other pages.