Tyre size calculator
Equivalent sizes for the 245/30 R20 tyre
Sidewall height 74 mmDiameter 655 mm Circumference 2058 mmRevolutions/km 486
Approved rim widths according to ETRTO: 8,5" – 8" – 9"
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.
19″
| Size | Difference | Actual speed at 100 km/h on the speedometer | ETRTO rims | Tyres in stock |
|---|---|---|---|---|
| 235/35 R19 | -1.20 % | 98.8 km/h | 8,5" – 8" – 9" – 9,5" | |
| 275/30 R19 | -1.12 % | 98.9 km/h | 9,5" – 9" – 10" | |
| 245/35 R19 | -0.16 % | 99.8 km/h | 8,5" – 8" – 9" – 9,5" | |
| 255/35 R19 | +0.93 % | 100.9 km/h | 9" – 8,5" – 9,5" – 10" | |
| 225/40 R19 | +1.16 % | 101.2 km/h | 8" – 7,5" – 8,5" – 9" | |
| 265/35 R19 | +1.98 % | 102.0 km/h | 9,5" – 9" – 10" – 10,5" |
20″
| Size | Difference | Actual speed at 100 km/h on the speedometer | ETRTO rims | Tyres in stock |
|---|---|---|---|---|
| 225/30 R20 | -1.86 % | 98.1 km/h | 8" | — |
| 235/30 R20 | -0.93 % | 99.1 km/h | 8,5" | |
| 245/30 R20 Your size | 0 % | 100.0 km/h | 8,5" – 8" – 9" | |
| 255/30 R20 | +0.89 % | 100.9 km/h | 9" – 8,5" – 9,5" | |
| 225/35 R20 | +1.59 % | 101.6 km/h | 8" – 7,5" – 8,5" – 9" | |
| 265/30 R20 | +1.82 % | 101.8 km/h | 9,5" – 9" – 10" |
Sizes equivalent to 245/30 R20:
235/35 R19275/30 R19245/35 R19255/35 R19225/40 R19265/35 R19225/30 R20235/30 R20255/30 R20225/35 R20265/30 R20
245/30 R20 tyres in stock
View all 9 245/30 R20 tyres ›This information is provided for guidance only and does not engage Rupteur's liability in any way.
