Tyre size calculator

Equivalent sizes for the 245/45 R17 tyre

Sidewall height 110 mmDiameter 652 mm Circumference 2049 mmRevolutions/km 488

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
215/55 R16 -1.44 % 98.6 km/h —
225/55 R16 +0.23 % 100.2 km/h —
215/60 R16 +1.87 % 101.9 km/h —

17″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
235/45 R17 -1.36 % 98.6 km/h 8" – 7,5" – 8,5" – 9"
265/40 R17 -1.29 % 98.7 km/h 9,5" – 9" – 10" – 10,5" —
215/50 R17 -0.86 % 99.1 km/h 7" – 6" – 6,5" – 7,5"
275/40 R17 -0.08 % 99.9 km/h 9,5" – 9" – 10" – 10,5" – 11" —
245/45 R17 Your size 0 % 100.0 km/h 8" – 7,5" – 8,5" – 9"
225/50 R17 +0.70 % 100.7 km/h 7" – 6" – 6,5" – 7,5" – 8"
255/45 R17 +1.40 % 101.4 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
265/35 R18 -1.48 % 98.5 km/h 9,5" – 9" – 10" – 10,5"
235/40 R18 -1.09 % 98.9 km/h 8,5" – 8" – 9" – 9,5"
275/35 R18 -0.39 % 99.6 km/h 9,5" – 9" – 10" – 10,5" – 11"
215/45 R18 -0.23 % 99.8 km/h 7" – 7,5" – 8"
245/40 R18 +0.16 % 100.2 km/h 8,5" – 8" – 9" – 9,5"
225/45 R18 +1.13 % 101.1 km/h 7,5" – 7" – 8" – 8,5"
255/40 R18 +1.36 % 101.4 km/h 9" – 8,5" – 9,5" – 10"

19″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
225/35 R19 -1.87 % 98.1 km/h 8" – 7,5" – 8,5" – 9"
265/30 R19 -1.64 % 98.4 km/h 9,5" – 9" – 10"
235/35 R19 -0.78 % 99.2 km/h 8,5" – 8" – 9" – 9,5"
275/30 R19 -0.70 % 99.3 km/h 9,5" – 9" – 10"
245/35 R19 +0.27 % 100.3 km/h 8,5" – 8" – 9" – 9,5"
255/35 R19 +1.36 % 101.4 km/h 9" – 8,5" – 9,5" – 10"
225/40 R19 +1.60 % 101.6 km/h 8" – 7,5" – 8,5" – 9"

20″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
265/25 R20 -1.79 % 98.2 km/h — —
225/30 R20 -1.44 % 98.6 km/h 8" —
235/30 R20 -0.51 % 99.5 km/h 8,5"
245/30 R20 +0.43 % 100.4 km/h 8,5" – 8" – 9"
255/30 R20 +1.32 % 101.3 km/h 9" – 8,5" – 9,5"

Sizes equivalent to 245/45 R17:

215/55 R16225/55 R16215/60 R16235/45 R17265/40 R17215/50 R17275/40 R17225/50 R17255/45 R17265/35 R18235/40 R18275/35 R18215/45 R18245/40 R18225/45 R18255/40 R18225/35 R19265/30 R19235/35 R19275/30 R19245/35 R19255/35 R19225/40 R19265/25 R20

245/45 R17 tyres in stock

View all 30 245/45 R17 tyres ›

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