This is a free program that allows you compare two tire sizes, visualize and calculate the differences. Yes, it's free!
Version 4.17/27/2005 is the all-new Windows version of what had been previously an MS-DOS program. It should run on all Microsoft Windows systems.
It has photo-realistic tires and wheels, better wheel scaling, supports 85 series, and wheel sizes can now go to 25".
Version 4.1 of Tire Size Comparator, TSCinstaller.EXE (8.3 MB)
You may have to right-click on the above
to save it to your local disk.
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