Tyre size calculator
Equivalent sizes for the 225/45 R19 tyre
Sidewall height 101 mmDiameter 685 mm Circumference 2152 mmRevolutions/km 465
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.
18″
| Size | Difference | Actual speed at 100 km/h on the speedometer | ETRTO rims | Tyres in stock |
|---|---|---|---|---|
| 245/45 R18 | -1.08 % | 98.9 km/h | 8" – 7,5" – 8,5" – 9" | |
| 225/50 R18 | -0.41 % | 99.6 km/h | 7" – 6" – 6,5" – 7,5" – 8" | |
| 255/45 R18 | +0.26 % | 100.3 km/h | 8,5" – 8" – 9" – 9,5" | |
| 235/50 R18 | +1.04 % | 101.0 km/h | 7,5" – 6,5" – 7" – 8" – 8,5" | |
| 215/55 R18 | +1.26 % | 101.3 km/h | — |
19″
| Size | Difference | Actual speed at 100 km/h on the speedometer | ETRTO rims | Tyres in stock |
|---|---|---|---|---|
| 245/40 R19 | -0.93 % | 99.1 km/h | 8,5" – 8" – 9" – 9,5" | |
| 225/45 R19 Your size | 0 % | 100.0 km/h | 7,5" – 7" – 8" – 8,5" | |
| 255/40 R19 | +0.22 % | 100.2 km/h | 9" – 8,5" – 9,5" – 10" | |
| 235/45 R19 | +1.33 % | 101.3 km/h | 8" – 7,5" – 8,5" – 9" |
20″
| Size | Difference | Actual speed at 100 km/h on the speedometer | ETRTO rims | Tyres in stock |
|---|---|---|---|---|
| 235/35 R20 | -1.82 % | 98.2 km/h | 8,5" – 8" – 9" – 9,5" | |
| 245/35 R20 | -0.82 % | 99.2 km/h | 8,5" – 8" – 9" – 9,5" | |
| 255/35 R20 | +0.22 % | 100.2 km/h | 9" – 8,5" – 9,5" – 10" |
21″
| Size | Difference | Actual speed at 100 km/h on the speedometer | ETRTO rims | Tyres in stock |
|---|---|---|---|---|
| 245/30 R21 | -0.67 % | 99.3 km/h | 8,5" – 8" – 9" | — |
| 255/30 R21 | +0.19 % | 100.2 km/h | 9" – 8,5" – 9,5" |
Sizes equivalent to 225/45 R19:
245/45 R18225/50 R18255/45 R18235/50 R18215/55 R18245/40 R19255/40 R19235/45 R19235/35 R20245/35 R20255/35 R20245/30 R21255/30 R21
225/45 R19 tyres in stock
View all 35 225/45 R19 tyres ›This information is provided for guidance only and does not engage Rupteur's liability in any way.
