Re: RPM vs MPH question

There are also calculators available on the web that will calculate all
this for you using the diameter of the tire.  The precise tire diameter
can be found at tirerack.com or sometimes the tire manufacturer's
website.


On Thu, 2 Jun 2005 04:13:59 -0500 "Keith Turk" <kturk@ala.net> writes:
> If you measure the tire height in inches and use this formula you can 
> come 
> up with the right mph....
> 
> RPM X Tire Height  divided by the rear gear divided by 336 and you 
> come up 
> with mph.