USER INPUT
Description Original New
(ins) Wheel Dia :
(mm) Tyre Width :
Aspect Ratio :
 
OUTPUTS
Tyre Difference (%) :
Circumference :
Rolling Diameter :
Wheel Revs/Mile :
(ins) Ride Height Difference :
(mm) Ride Height Difference :
Speed at Indicated : 70

These are theoretical figures and do not allow for tyre loads, pressure or wear or manufacturers differences. Check with Manufacturers they will often give you a tyre revs per mile figure, but again this depends on load, pressure and wear.