Tyre size calculator

Equivalent sizes for the 235/60 R18 tyre

Sidewall height 141 mmDiameter 739 mm Circumference 2322 mmRevolutions/km 431

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
225/65 R17 -1.99 % 98.0 km/h —
235/65 R17 -0.24 % 99.8 km/h —
255/60 R17 -0.17 % 99.8 km/h —
225/70 R17 +1.03 % 101.0 km/h —
245/65 R17 +1.51 % 101.5 km/h —

18″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
225/60 R18 -1.62 % 98.4 km/h —
255/55 R18 -0.21 % 99.8 km/h —
235/60 R18 Your size 0 % 100.0 km/h —
225/65 R18 +1.44 % 101.4 km/h — —
245/60 R18 +1.62 % 101.6 km/h —

19″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
225/55 R19 -1.24 % 98.8 km/h —
255/50 R19 -0.21 % 99.8 km/h 8" – 7" – 7,5" – 8,5" – 9"
235/55 R19 +0.27 % 100.3 km/h —
265/50 R19 +1.13 % 101.1 km/h 8,5" – 7,5" – 8" – 9" – 9,5"
245/55 R19 +1.75 % 101.8 km/h —

20″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
245/45 R20 -1.44 % 98.6 km/h 8" – 7,5" – 8,5" – 9"
255/45 R20 -0.21 % 99.8 km/h 8,5" – 8" – 9" – 9,5"
265/45 R20 +1.00 % 101.0 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
255/40 R21 -0.24 % 99.8 km/h 9" – 8,5" – 9,5" – 10"
265/40 R21 +0.86 % 100.9 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
265/35 R22 +0.69 % 100.7 km/h 9,5" – 9" – 10" – 10,5"

Sizes equivalent to 235/60 R18:

225/65 R17235/65 R17255/60 R17225/70 R17245/65 R17225/60 R18255/55 R18225/65 R18245/60 R18225/55 R19255/50 R19235/55 R19265/50 R19245/55 R19245/45 R20255/45 R20265/45 R20255/40 R21265/40 R21265/35 R22

235/60 R18 tyres in stock

View all 63 235/60 R18 tyres ›

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