Easy and versatile tool to calculate many ratios of your drive train. Will calculate any ratio based on other fields. Handy for anyone wanting to re-gear their vehicles, change tire size, check rpm at a given speed (or speed at given rpm), etc. Both standard and metric measurements are supported. Includes large diameter tires. Feature requests are welcome.
Tags: tools to calulate gear and tire changes , gear ratio tire size calculator , tire calculator
from 14 reviews