Tyre size calculator
Equivalent sizes for the 225/60 R18 tyre
Sidewall height 135 mmDiameter 727 mm Circumference 2285 mmRevolutions/km 438
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.
17″
| Size | Difference | Actual speed at 100 km/h on the speedometer | ETRTO rims | Tyres in stock |
|---|---|---|---|---|
| 235/60 R17 | -1.85 % | 98.2 km/h | — | |
| 225/65 R17 | -0.38 % | 99.6 km/h | — | |
| 235/65 R17 | +1.40 % | 101.4 km/h | — | |
| 255/60 R17 | +1.47 % | 101.5 km/h | — |
18″
| Size | Difference | Actual speed at 100 km/h on the speedometer | ETRTO rims | Tyres in stock |
|---|---|---|---|---|
| 235/55 R18 | -1.57 % | 98.4 km/h | — | |
| 225/60 R18 Your size | 0 % | 100.0 km/h | — | |
| 255/55 R18 | +1.43 % | 101.4 km/h | — | |
| 235/60 R18 | +1.64 % | 101.6 km/h | — |
19″
| Size | Difference | Actual speed at 100 km/h on the speedometer | ETRTO rims | Tyres in stock |
|---|---|---|---|---|
| 235/50 R19 | -1.33 % | 98.7 km/h | 7,5" – 6,5" – 7" – 8" – 8,5" | |
| 225/55 R19 | +0.38 % | 100.4 km/h | — | |
| 255/50 R19 | +1.43 % | 101.4 km/h | 8" – 7" – 7,5" – 8,5" – 9" | |
| 235/55 R19 | +1.92 % | 101.9 km/h | — |
20″
| Size | Difference | Actual speed at 100 km/h on the speedometer | ETRTO rims | Tyres in stock |
|---|---|---|---|---|
| 235/45 R20 | -1.05 % | 99.0 km/h | 8" – 7,5" – 8,5" – 9" | |
| 195/55 R20 | -0.66 % | 99.3 km/h | — | |
| 245/45 R20 | +0.17 % | 100.2 km/h | 8" – 7,5" – 8,5" – 9" | |
| 255/45 R20 | +1.43 % | 101.4 km/h | 8,5" – 8" – 9" – 9,5" |
21″
| Size | Difference | Actual speed at 100 km/h on the speedometer | ETRTO rims | Tyres in stock |
|---|---|---|---|---|
| 255/40 R21 | +1.40 % | 101.4 km/h | 9" – 8,5" – 9,5" – 10" |
Sizes equivalent to 225/60 R18:
235/60 R17225/65 R17235/65 R17255/60 R17235/55 R18255/55 R18235/60 R18235/50 R19225/55 R19255/50 R19235/55 R19235/45 R20195/55 R20245/45 R20255/45 R20255/40 R21
225/60 R18 tyres in stock
View all 39 225/60 R18 tyres ›This information is provided for guidance only and does not engage Rupteur's liability in any way.
