SuperCon 2000

From the developer: "SuperCon 2000 contains 67 physical quantities and 760 units. Since the conversion factors are of significant figures of 15, based on the strict base conversion factors such as foot to meter, pound to kilogram, BTU to joule, gallon to cubic meter, etc., they are far more accurate than most public data. It also provides a function to ease quick reference to conversion results for a set of numbers you frequently use. The maximum numbers of categories, physical quantities and units are 30, 200 and 100 per quantity respectively."

Requirements:

Windows 95/98/Me/NT/2000/XP

Limitations:

30-day trial