Tyre size calculator

Equivalent sizes for the 275/45 R20 tyre

Sidewall height 124 mmDiameter 756 mm Circumference 2373 mmRevolutions/km 421

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

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

19″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
265/50 R19 -1.04 % 99.0 km/h 8,5" – 7,5" – 8" – 9" – 9,5"
245/55 R19 -0.44 % 99.6 km/h —
275/50 R19 +0.30 % 100.3 km/h 8,5" – 7,5" – 8" – 9" – 9,5"
255/55 R19 +1.01 % 101.0 km/h —

20″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
295/40 R20 -1.51 % 98.5 km/h 10,5" – 10" – 11" – 11,5"
265/45 R20 -1.18 % 98.8 km/h 9" – 8,5" – 9,5" – 10"
275/45 R20 Your size 0 % 100.0 km/h 9" – 8,5" – 9,5" – 10" – 10,5"
255/50 R20 +1.01 % 101.0 km/h 8" – 7" – 7,5" – 8,5" – 9"
285/45 R20 +1.21 % 101.2 km/h 9,5" – 9" – 10" – 10,5"

21″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
265/40 R21 -1.31 % 98.7 km/h 9,5" – 9" – 10" – 10,5"
285/40 R21 +0.81 % 100.8 km/h 10" – 9,5" – 10,5" – 11"
295/40 R21 +1.85 % 101.9 km/h 10,5" – 10" – 11" – 11,5"

22″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
265/35 R22 -1.48 % 98.5 km/h 9,5" – 9" – 10" – 10,5"
275/35 R22 -0.54 % 99.5 km/h 9,5" – 9" – 10" – 10,5" – 11"
285/35 R22 +0.37 % 100.4 km/h 10" – 9,5" – 10,5" – 11"

Sizes equivalent to 275/45 R20:

265/50 R19245/55 R19275/50 R19255/55 R19295/40 R20265/45 R20255/50 R20285/45 R20265/40 R21285/40 R21295/40 R21265/35 R22275/35 R22285/35 R22

275/45 R20 tyres in stock

View all 39 275/45 R20 tyres ›

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