Tyre size calculator

Equivalent sizes for the 285/35 R18 tyre

Sidewall height 100 mmDiameter 657 mm Circumference 2063 mmRevolutions/km 485

Approved rim widths according to ETRTO: 10" – 9,5" – 10,5" – 11"

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.

Tyre size equivalents

17″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
265/40 R17 -1.93 % 98.1 km/h 9,5" – 9" – 10" – 10,5" —
275/40 R17 -0.74 % 99.3 km/h 9,5" – 9" – 10" – 10,5" – 11" —
255/45 R17 +0.74 % 100.7 km/h 8,5" – 8" – 9" – 9,5"

18″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
275/35 R18 -1.04 % 99.0 km/h 9,5" – 9" – 10" – 10,5" – 11"
285/35 R18 Your size 0 % 100.0 km/h 10" – 9,5" – 10,5" – 11"
255/40 R18 +0.70 % 100.7 km/h 9" – 8,5" – 9,5" – 10"
295/35 R18 +1.08 % 101.1 km/h 10,5" – 10" – 11" – 11,5"
265/40 R18 +1.93 % 101.9 km/h 9,5" – 9" – 10" – 10,5"

19″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
275/30 R19 -1.35 % 98.7 km/h 9,5" – 9" – 10"
285/30 R19 -0.46 % 99.5 km/h 10" – 9,5" – 10,5"
295/30 R19 +0.46 % 100.5 km/h 10,5" – 10" – 11"
255/35 R19 +0.70 % 100.7 km/h 9" – 8,5" – 9,5" – 10"
305/30 R19 +1.35 % 101.4 km/h 11" – 10,5" – 11,5"
265/35 R19 +1.74 % 101.7 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
285/25 R20 -0.93 % 99.1 km/h 10,5" —
295/25 R20 -0.15 % 99.9 km/h 10,5" – 10" – 11" —
305/25 R20 +0.58 % 100.6 km/h 11" – 10,5" – 11,5" —
255/30 R20 +0.66 % 100.7 km/h 9" – 8,5" – 9,5"
265/30 R20 +1.59 % 101.6 km/h 9,5" – 9" – 10"

Sizes equivalent to 285/35 R18:

265/40 R17275/40 R17255/45 R17275/35 R18255/40 R18295/35 R18265/40 R18275/30 R19285/30 R19295/30 R19255/35 R19305/30 R19265/35 R19285/25 R20295/25 R20305/25 R20255/30 R20265/30 R20

285/35 R18 tyres in stock

View all 1 285/35 R18 tyres ›

This information is provided for guidance only and does not engage Rupteur's liability in any way.