Road vs. Engine Speed
Copyright © 2003 Eric Fahlgren
Last updated 2007-12-18 07:05 PST


Wheel and Tire Parameters
Tire sectionmm
Tire aspect %
Rim diameterinches
Confirmation of tire size 
Tire diameterinches
Overall Drive Ratio
Gear ratio  
Ring and pinion ratio 
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Final drive ratio 
Distance per Engine Revolution
Per crank revolutionfeet
Per crank revolutionmeters
Road Speed at Given Revs
Engine speedRPM
Resulting road speed MPH/KPH
Revs at a Given Road Speed
Cruising speed MPH/KPH
Resulting engine speedRPM


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