Tyre size calculator

Equivalent sizes for the 285/35 R21 tyre

Sidewall height 100 mmDiameter 733 mm Circumference 2302 mmRevolutions/km 434

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

20″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
265/40 R20 -1.73 % 98.3 km/h 9,5" – 9" – 10" – 10,5"
305/35 R20 -1.53 % 98.5 km/h 11" – 10" – 10,5" – 11,5" – 12" —
275/40 R20 -0.66 % 99.3 km/h 9,5" – 9" – 10" – 10,5" – 11"
315/35 R20 -0.59 % 99.4 km/h 11" – 10,5" – 11,5" – 12" – 12,5"
255/45 R20 +0.66 % 100.7 km/h 8,5" – 8" – 9" – 9,5"
295/40 R20 +1.53 % 101.5 km/h 10,5" – 10" – 11" – 11,5"
265/45 R20 +1.87 % 101.9 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
265/35 R21 -1.91 % 98.1 km/h 9,5" – 9" – 10" – 10,5"
285/35 R21 Your size 0 % 100.0 km/h 10" – 9,5" – 10,5" – 11"
255/40 R21 +0.62 % 100.6 km/h 9" – 8,5" – 9,5" – 10"
295/35 R21 +0.97 % 101.0 km/h 10,5" – 10" – 11" – 11,5"
265/40 R21 +1.73 % 101.7 km/h 9,5" – 9" – 10" – 10,5"

22″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
295/30 R22 +0.42 % 100.4 km/h 10,5" – 10" – 11"
265/35 R22 +1.56 % 101.6 km/h 9,5" – 9" – 10" – 10,5"

Sizes equivalent to 285/35 R21:

265/40 R20305/35 R20275/40 R20315/35 R20255/45 R20295/40 R20265/45 R20265/35 R21255/40 R21295/35 R21265/40 R21295/30 R22265/35 R22

285/35 R21 tyres in stock

View all 13 285/35 R21 tyres ›

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