Tyre size calculator

Equivalent sizes for the 245/45 R19 tyre

Sidewall height 110 mmDiameter 703 mm Circumference 2209 mmRevolutions/km 453

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

18″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
235/50 R18 -1.55 % 98.5 km/h 7,5" – 6,5" – 7" – 8" – 8,5"
215/55 R18 -1.34 % 98.7 km/h —
265/45 R18 -1.05 % 99.0 km/h 9" – 8,5" – 9,5" – 10"
245/50 R18 -0.11 % 99.9 km/h 7,5" – 7" – 8" – 8,5"
275/45 R18 +0.22 % 100.2 km/h 9" – 8,5" – 9,5" – 10" – 10,5"
225/55 R18 +0.22 % 100.2 km/h —
235/55 R18 +1.81 % 101.8 km/h —

19″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
235/45 R19 -1.26 % 98.7 km/h 8" – 7,5" – 8,5" – 9"
265/40 R19 -1.19 % 98.8 km/h 9,5" – 9" – 10" – 10,5"
275/40 R19 -0.07 % 99.9 km/h 9,5" – 9" – 10" – 10,5" – 11"
245/45 R19 Your size 0 % 100.0 km/h 8" – 7,5" – 8,5" – 9"
255/45 R19 +1.30 % 101.3 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
265/35 R20 -1.37 % 98.6 km/h 9,5" – 9" – 10" – 10,5"
275/35 R20 -0.36 % 99.6 km/h 9,5" – 9" – 10" – 10,5" – 11"
215/45 R20 -0.22 % 99.8 km/h 7" – 7,5" – 8"
245/40 R20 +0.14 % 100.1 km/h 8,5" – 8" – 9" – 9,5"
255/40 R20 +1.26 % 101.3 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
265/30 R21 -1.52 % 98.5 km/h 9,5" – 9" – 10" —
255/35 R21 +1.26 % 101.3 km/h 9" – 8,5" – 9,5" – 10"

22″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
235/30 R22 -0.47 % 99.5 km/h 8,5" —
245/30 R22 +0.40 % 100.4 km/h 8,5" – 8" – 9" —
255/30 R22 +1.23 % 101.2 km/h 9" – 8,5" – 9,5" —

Sizes equivalent to 245/45 R19:

235/50 R18215/55 R18265/45 R18245/50 R18275/45 R18225/55 R18235/55 R18235/45 R19265/40 R19275/40 R19255/45 R19265/35 R20275/35 R20215/45 R20245/40 R20255/40 R20265/30 R21255/35 R21235/30 R22245/30 R22255/30 R22

245/45 R19 tyres in stock

View all 46 245/45 R19 tyres ›

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