Tyre size calculator
Equivalent sizes for the 255/30 R22 tyre
Sidewall height 77 mmDiameter 712 mm Circumference 2236 mmRevolutions/km 447
Approved rim widths according to ETRTO: 9" – 8,5" – 9,5"
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.
21″
| Size | Difference | Actual speed at 100 km/h on the speedometer | ETRTO rims | Tyres in stock |
|---|---|---|---|---|
| 255/35 R21 | +0.04 % | 100.0 km/h | 9" – 8,5" – 9,5" – 10" | |
| 265/35 R21 | +1.00 % | 101.0 km/h | 9,5" – 9" – 10" – 10,5" |
22″
| Size | Difference | Actual speed at 100 km/h on the speedometer | ETRTO rims | Tyres in stock |
|---|---|---|---|---|
| 235/30 R22 | -1.68 % | 98.3 km/h | 8,5" | — |
| 285/25 R22 | -1.46 % | 98.5 km/h | 10,5" | — |
| 245/30 R22 | -0.82 % | 99.2 km/h | 8,5" – 8" – 9" | — |
| 255/30 R22 Your size | 0 % | 100.0 km/h | 9" – 8,5" – 9,5" | — |
| 265/30 R22 | +0.86 % | 100.9 km/h | 9,5" – 9" – 10" |
Sizes equivalent to 255/30 R22:
255/35 R21265/35 R21235/30 R22285/25 R22245/30 R22265/30 R22
This information is provided for guidance only and does not engage Rupteur's liability in any way.