Tyre size calculator
Equivalent sizes for the 245/55 R21 tyre
Sidewall height 135 mmDiameter 803 mm Circumference 2522 mmRevolutions/km 396
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.
No equivalent sizes are recorded for this tyre size.
This information is provided for guidance only and does not engage Rupteur's liability in any way.