Tyre Size Calculator - Calculates Tyre Dimensions for Plus Sizing - TyreSizeCalculator.com
Wheel Offset and backspacing calculator
ReadyLIFT | ReadyLIFT Tire Wheel Sizing Guide
Interactive wheel and tire combination calculator | Volkswagen Passat Forum
Tire Calculator 2010 Download: Calculate the overall diameter and section height of a tire by providing information about the wheel size, with the aid of this portable tool