free tools and information for engineering and design of technical applications.

quick, free, online unit converter that converts common units of measurement, along with 77 other converters covering an assortment of units. the site also includes a predictive tool that suggests possible conversions based on input, allowing for easier navigation while learning more about various unit systems.

access 160+ million publications and connect with 25+ million researchers. join for free and gain visibility by uploading your research.

math calculators and unit converters

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

unitjuggler offers free and easy unit conversions. mass conversion, area conversion, distance conversion, volume conversion and many more.

anton paar produces high-quality measuring and analysis instruments for research and industry.

conversion-calculator to convert measurement units. supports a huge number of measurement units.

instantly convert between many different units using our online calculators. unit conversion. unit conversion tables.

unit converter converts the different units of measurement for the same quantity through multiplicative conversion factors