Universal Constants and Unit conversion tool with the most extensive database available. 3,457 units definitions and 68 Universal Constants grouped in 94 categories. All of that gives more than 1,300,000 direct conversions and more than 500,000,000 with the prefix and SI conversions options. Main features include quick keep on top conversion panel, units editor, metric equivalence table, selected unit conversion table, prefix from yocto (10^-24) to Yotta (10^24), Units conversion defined in comprehensive formulas, etc...

Measure-Matic is a Windows-based software application that helps teach the concept of using measurement devices. Primarily an educational tool, the program can be modified to varying levels of complexity. The software provides an array of interactive rulers that are navigated with either unit of measurement; including the Standard English, Metric, and Architectural scale.The Standard English and Metric rulers include multiple levels of difficulty so only the measurement units for each age and grade level are covered. This will assure that measurement concepts are within a range and grade level for each individual. The program also includes a 32nd inch, 64th inch, and inch Micrometer that build on fraction to decimal equivalency with a more precise range of measurement units.Each ruler provides a wealth of information ranging from comparing fractions with decimals, decimals with fractions, Standard to Metric conversions, Metric to Standard conversions, and percentages.

Machinist Calculator has been developed to quickly solve common machine shop math problems such as trigonometry, speeds and feeds and bolt circles. Also contains tap drill charts, metric conversions, thread measuring information and much more. Get your free demo now.

RRs Unit Converter is an useful tool for metric conversion, weight conversion or any other unit conversions performed by scientist, engineers or students. Simple or compound units. User defined database. Over 1000 units with definition. User defined simple and compound unit conversion like Fuel Consumption or Price Conversions( USD/gallon to Euro/liter). And more.

Use AJI2000 to find your actual hourly pay, the cost of driving your car, physics in everyday life, weight and mass, geometry,expansion, metric-english conversions, home loan & value calculating, fraction- decimal conversions. Find how long a download will take. Add, subtract, multiply, divide fractions. Find an objects volume by its weight. Even find fish weight based on its length. Plus, updated currency conversions.

ProKon 10.0k - is an impressive engineering units conversion utility for Windows 95/98/ME/NT/2000/XP. It supports over 400,000 conversions, in 26 different categories, both to and from the SI (metric), Imperial (English), and U.S. Customary systems. Many specialized ancient and archaic units are also available.