Road tax calculation makes to its name and has the information to Uncle Sam overdue for their own set of wheels from. The Freeware both classes of pollutants and the capacity of the installed drive taken into account. The user interface of road tax calculation comes from no frills. Filling in form fields less sufficient and the computer calculates the expected tax rate with one click. These data include next to the drive - diesel or gasoline - also optionally the key number and the date of first registration. Conveniently, road tax calculation does not require installation, so is suitable for portable use on a USB stick & Co.