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Calculators

Tyre Size

Real dimensions from a printed tyre size, e.g. 205/55 R16. The aspect ratio is a percentage of the width, not a length.

mm

Section width, e.g. 205.

%

Sidewall as a percentage of width, e.g. 55.

in

Rim diameter, e.g. 16.

Your estimate appears here once you press Calculate.