Tyre size calculator

Equivalent sizes for the 235/45 R17 tyre

Sidewall height 106 mmDiameter 643 mm Circumference 2021 mmRevolutions/km 495

Approved rim widths according to ETRTO: 8" – 7,5" – 8,5" – 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.

Tyre size equivalents

16″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
225/50 R16 -1.86 % 98.1 km/h 7" – 6" – 6,5" – 7,5" – 8"
205/55 R16 -1.78 % 98.2 km/h —
215/55 R16 -0.08 % 99.9 km/h —
205/60 R16 +1.42 % 101.4 km/h —
225/55 R16 +1.62 % 101.6 km/h —

17″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
225/45 R17 -1.42 % 98.6 km/h 7,5" – 7" – 8" – 8,5"
255/40 R17 -1.18 % 98.8 km/h 9" – 8,5" – 9,5" – 10" —
205/50 R17 -1.03 % 99.0 km/h 6,5" – 5,5" – 6" – 7" – 7,5"
235/45 R17 Your size 0 % 100.0 km/h 8" – 7,5" – 8,5" – 9"
265/40 R17 +0.08 % 100.1 km/h 9,5" – 9" – 10" – 10,5" —
215/50 R17 +0.51 % 100.5 km/h 7" – 6" – 6,5" – 7,5"
245/45 R17 +1.38 % 101.4 km/h 8" – 7,5" – 8,5" – 9"

18″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
255/35 R18 -1.18 % 98.8 km/h 9" – 8,5" – 9,5" – 10"
225/40 R18 -0.95 % 99.1 km/h 8" – 7,5" – 8,5" – 9"
205/45 R18 -0.28 % 99.7 km/h 7" – 6,5" – 7,5"
265/35 R18 -0.12 % 99.9 km/h 9,5" – 9" – 10" – 10,5"
235/40 R18 +0.28 % 100.3 km/h 8,5" – 8" – 9" – 9,5"
215/45 R18 +1.14 % 101.1 km/h 7" – 7,5" – 8"
245/40 R18 +1.54 % 101.5 km/h 8,5" – 8" – 9" – 9,5"

19″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
215/35 R19 -1.58 % 98.4 km/h 7,5" – 7" – 8" – 8,5" —
255/30 R19 -1.22 % 98.8 km/h 9" – 8,5" – 9,5"
225/35 R19 -0.51 % 99.5 km/h 8" – 7,5" – 8,5" – 9"
265/30 R19 -0.28 % 99.7 km/h 9,5" – 9" – 10"
235/35 R19 +0.59 % 100.6 km/h 8,5" – 8" – 9" – 9,5"
245/35 R19 +1.66 % 101.7 km/h 8,5" – 8" – 9" – 9,5"

20″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
265/25 R20 -0.43 % 99.6 km/h — —
225/30 R20 -0.08 % 99.9 km/h 8" —
235/30 R20 +0.87 % 100.9 km/h 8,5"
245/30 R20 +1.82 % 101.8 km/h 8,5" – 8" – 9"

Sizes equivalent to 235/45 R17:

225/50 R16205/55 R16215/55 R16205/60 R16225/55 R16225/45 R17255/40 R17205/50 R17265/40 R17215/50 R17245/45 R17255/35 R18225/40 R18205/45 R18265/35 R18235/40 R18215/45 R18245/40 R18215/35 R19255/30 R19225/35 R19265/30 R19235/35 R19245/35 R19

235/45 R17 tyres in stock

View all 43 235/45 R17 tyres ›

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