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~ Tyre Size Calculator ~

This should be of some use to somebody, after all, we all need wheels.
Choose your Tyre Sizes and it works it all out for you - Easy.


Original Tyre
Size
Width Height Diameter Overall Tyre Diameter
  mm   %   Inches   Inches   mm
New
Tyre
Size
  mm   %   Inches   Inches   mm
Difference in Diameter =  %   Actual =  mm
 
Use at your own risk, if in doubt, please consult a professional tyre Specialist