MPH to RPM converter with G-force

Ever wonder how fast your tires are rotating at a certain speed and at what G-force?
How fast is the car going (MPH) ?:

What is your rim size? (diameter):
Specify rim:

What size is your tire?
(distance from rim edge to outside of tire - tread):
Specify tire:

The RPM for your tires at MPH is:
 RPM, or RPS.
Your tire tread is spinning with a G-force of Gs.

©Copyright 2001-2010  Created by Al Hurst (North Carolina) & Sandy Mandel (Connecticut)