Tyre size calculator

285
40
18

Equivalent sizes for the 285/40 R18 tyre

Sidewall height 114 mmDiameter 685 mm Circumference 2153 mmRevolutions/km 465

To be approved, a tyre's diameter may differ by no more than 2 %. The vehicle's load and speed indices must also be respected.

Tyre size equivalents

No equivalent sizes are recorded for this tyre size.

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This information is provided for guidance only and does not engage Rupteur's liability in any way.