Tyre size calculator

Equivalent sizes for the 265/40 R20 tyre

Sidewall height 106 mmDiameter 720 mm Circumference 2262 mmRevolutions/km 442

Approved rim widths according to ETRTO: 9,5" – 9" – 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
285/40 R19 -1.31 % 98.7 km/h 10" – 9,5" – 10,5" – 11"
255/45 R19 -1.09 % 98.9 km/h 8,5" – 8" – 9" – 9,5"
235/50 R19 -0.35 % 99.7 km/h 7,5" – 6,5" – 7" – 8" – 8,5"
295/40 R19 -0.21 % 99.8 km/h 10,5" – 10" – 11" – 11,5"
265/45 R19 +0.14 % 100.1 km/h 9" – 8,5" – 9,5" – 10"
275/45 R19 +1.38 % 101.4 km/h 9" – 8,5" – 9,5" – 10" – 10,5"

20″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
285/35 R20 -1.76 % 98.2 km/h 10" – 9,5" – 10,5" – 11"
255/40 R20 -1.13 % 98.9 km/h 9" – 8,5" – 9,5" – 10"
295/35 R20 -0.78 % 99.2 km/h 10,5" – 10" – 11" – 11,5"
235/45 R20 -0.07 % 99.9 km/h 8" – 7,5" – 8,5" – 9"
265/40 R20 Your size 0 % 100.0 km/h 9,5" – 9" – 10" – 10,5"
275/40 R20 +1.09 % 101.1 km/h 9,5" – 9" – 10" – 10,5" – 11"
245/45 R20 +1.16 % 101.2 km/h 8" – 7,5" – 8,5" – 9"

21″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
295/30 R21 -1.34 % 98.7 km/h 10,5" – 10" – 11"
255/35 R21 -1.13 % 98.9 km/h 9" – 8,5" – 9,5" – 10"
265/35 R21 -0.18 % 99.8 km/h 9,5" – 9" – 10" – 10,5"
285/35 R21 +1.76 % 101.8 km/h 10" – 9,5" – 10,5" – 11"

22″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
245/30 R22 -1.98 % 98.0 km/h 8,5" – 8" – 9" —
255/30 R22 -1.16 % 98.8 km/h 9" – 8,5" – 9,5" —
265/30 R22 -0.32 % 99.7 km/h 9,5" – 9" – 10"

Sizes equivalent to 265/40 R20:

285/40 R19255/45 R19235/50 R19295/40 R19265/45 R19275/45 R19285/35 R20255/40 R20295/35 R20235/45 R20275/40 R20245/45 R20295/30 R21255/35 R21265/35 R21285/35 R21245/30 R22255/30 R22265/30 R22

265/40 R20 tyres in stock

View all 17 265/40 R20 tyres ›
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This information is provided for guidance only and does not engage Rupteur's liability in any way.