Do you want to know how many picas, points, yards or millimeters there are in 2.345 inches?
ConversionCalculator can tell you. How many short tons are there in 15.66 metric tons? Do you want to know how many teaspoons there are in a liter, pint, quart or cubic? There are also hundreds of other potential combinations.
Please read the documentation for more information and more detailed instructions.
The necessary RAM allocation for ConversionCalculator should be set to no less than 2M. You will also need approximately 4M of disk space. System 7.1 or newer.