Tyre size calculator

Equivalent sizes for the 265/45 R21 tyre

Sidewall height 119 mmDiameter 772 mm Circumference 2425 mmRevolutions/km 412

Approved rim widths according to ETRTO: 9" – 8,5" – 9,5" – 10"

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
255/50 R20 -1.15 % 98.9 km/h 8" – 7" – 7,5" – 8,5" – 9"
285/45 R20 -0.95 % 99.1 km/h 9,5" – 9" – 10" – 10,5"
235/55 R20 -0.69 % 99.3 km/h —
265/50 R20 +0.13 % 100.1 km/h 8,5" – 7,5" – 8" – 9" – 9,5"
295/45 R20 +0.20 % 100.2 km/h 10" – 9,5" – 10,5" – 11"
275/50 R20 +1.45 % 101.5 km/h 8,5" – 7,5" – 8" – 9" – 9,5"

21″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
285/40 R21 -1.35 % 98.7 km/h 10" – 9,5" – 10,5" – 11"
295/40 R21 -0.33 % 99.7 km/h 10,5" – 10" – 11" – 11,5"
265/45 R21 Your size 0 % 100.0 km/h 9" – 8,5" – 9,5" – 10"
275/45 R21 +1.15 % 101.2 km/h 9" – 8,5" – 9,5" – 10" – 10,5"

22″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
285/35 R22 -1.78 % 98.2 km/h 10" – 9,5" – 10,5" – 11"
265/40 R22 -0.13 % 99.9 km/h 9,5" – 9" – 10" – 10,5"
275/40 R22 +0.89 % 100.9 km/h 9,5" – 9" – 10" – 10,5" – 11"

Sizes equivalent to 265/45 R21:

255/50 R20285/45 R20235/55 R20265/50 R20295/45 R20275/50 R20285/40 R21295/40 R21275/45 R21285/35 R22265/40 R22275/40 R22

265/45 R21 tyres in stock

View all 17 265/45 R21 tyres ›

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