Tyre size calculator
Equivalent sizes for the 215/40 R18 tyre
Sidewall height 86 mmDiameter 629 mm Circumference 1977 mmRevolutions/km 506
Approved rim widths according to ETRTO: 7,5" – 7" – 8" – 8,5"
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.
17″
| Size | Difference | Actual speed at 100 km/h on the speedometer | ETRTO rims | Tyres in stock |
|---|---|---|---|---|
| 235/40 R17 | -1.49 % | 98.5 km/h | 8,5" – 8" – 9" – 9,5" | — |
| 215/45 R17 | -0.61 % | 99.4 km/h | 7" – 7,5" – 8" | |
| 245/40 R17 | -0.20 % | 99.8 km/h | 8,5" – 8" – 9" – 9,5" | |
| 225/45 R17 | +0.81 % | 100.8 km/h | 7,5" – 7" – 8" – 8,5" | |
| 205/50 R17 | +1.21 % | 101.2 km/h | 6,5" – 5,5" – 6" – 7" – 7,5" |
18″
| Size | Difference | Actual speed at 100 km/h on the speedometer | ETRTO rims | Tyres in stock |
|---|---|---|---|---|
| 205/40 R18 | -1.25 % | 98.8 km/h | 7,5" – 7" – 8" | |
| 245/35 R18 | -0.08 % | 99.9 km/h | 8,5" – 8" – 9" – 9,5" | |
| 215/40 R18 Your size | 0 % | 100.0 km/h | 7,5" – 7" – 8" – 8,5" | |
| 225/40 R18 | +1.29 % | 101.3 km/h | 8" – 7,5" – 8,5" – 9" | |
| 205/45 R18 | +1.98 % | 102.0 km/h | 7" – 6,5" – 7,5" |
19″
| Size | Difference | Actual speed at 100 km/h on the speedometer | ETRTO rims | Tyres in stock |
|---|---|---|---|---|
| 245/30 R19 | +0.08 % | 100.1 km/h | 8,5" – 8" – 9" | |
| 215/35 R19 | +0.65 % | 100.7 km/h | 7,5" – 7" – 8" – 8,5" | — |
| 225/35 R19 | +1.74 % | 101.7 km/h | 8" – 7,5" – 8,5" – 9" |
Sizes equivalent to 215/40 R18:
235/40 R17215/45 R17245/40 R17225/45 R17205/50 R17205/40 R18245/35 R18225/40 R18205/45 R18245/30 R19215/35 R19225/35 R19
215/40 R18 tyres in stock
View all 25 215/40 R18 tyres ›This information is provided for guidance only and does not engage Rupteur's liability in any way.
