Tyre size calculator

Equivalent sizes for the 265/25 R20 tyre

Sidewall height 66 mmDiameter 641 mm Circumference 2012 mmRevolutions/km 497

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
245/30 R19 -1.70 % 98.3 km/h 8,5" – 8" – 9"
255/30 R19 -0.79 % 99.2 km/h 9" – 8,5" – 9,5"
265/30 R19 +0.16 % 100.2 km/h 9,5" – 9" – 10"
235/35 R19 +1.03 % 101.0 km/h 8,5" – 8" – 9" – 9,5"
275/30 R19 +1.11 % 101.1 km/h 9,5" – 9" – 10"

20″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
265/25 R20 Your size 0 % 100.0 km/h — —
235/30 R20 +1.31 % 101.3 km/h 8,5"
285/25 R20 +1.55 % 101.6 km/h 10,5" —

Sizes equivalent to 265/25 R20:

245/30 R19255/30 R19265/30 R19235/35 R19275/30 R19235/30 R20285/25 R20

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