From the developer: "Unit Maestro is a professional unit-convert computer program. It has very useful interface that is quick in action, easy to use and other distinctive features. You can convert more than 2,500 kinds of units in the 125 sorts of categories. Unit Maestro makes you convert all kinds of units - not only a common unit such as meter, foot, kilogram, pound but also a special unit for pro-engineers such as franklin, darcy, - units in the Scriptures like cubit or talent, - Roman mile, stadium used in Old times - Pyeong in Asia - Tatami in Japan, - carcel in France - various units only used in a special zone of the Orient and the West.
"It is certain that Unit Maestro is the only powerful pro-unit-convert computer program in the world. It is possible for users to set up freely some other categories and units in addition. By some possibility there is no unit you want in Unit Maestro, you can set up new name of the unit and the value of conversion factor any time. You can make your own Unit Maestro. Or Unit Maestro has various useful functions for the beginners or the professional -- that is, displays the explanations in detail about each unit it has automatically only to place the mouse-pointer on the unit you want to know, and then you can see what that unit value you point is promptly and easily. In case of the complicate unit for pro-engineers, it is possible that you wonder what LMT(Length-Mass-Time) dimension is in the category. Unit Maestro displays the dimension information about each category at the status bar below all the time. Because of such various functions, it will be an powerful and useful tool for the amateur and the professional -- those who intend to convert kilowatt into BTU as well as those who try to convert kilogram into pound."