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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.

  Width Height Diameter Overall Tyre
Diameter
(inch) 		Overall Tyre
Diameter
(mm)
Original Tyre
Size		   mm   %   Inches   Inches   mm
New Tyre
Size		   mm   %   Inches   Inches   mm
Difference in Diameter =   %    Actual =   mm