Tyre size calculator

Equivalent sizes for the 295/40 R21 tyre

Sidewall height 118 mmDiameter 769 mm Circumference 2417 mmRevolutions/km 414

Approved rim widths according to ETRTO: 10,5" – 10" – 11" – 11,5"

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.

Size	Difference	Actual speed at 100 km/h on the speedometer	ETRTO rims	Tyres in stock
275/45 R20	-1.82 %	98.2 km/h	9" – 8,5" – 9,5" – 10" – 10,5"	38 models in stockFrom CHF 98.90 Summer11 Winter18 All-season9
285/45 R20	-0.63 %	99.4 km/h	9,5" – 9" – 10" – 10,5"	13 models in stockFrom CHF 207.00 Summer5 Winter5 All-season3
265/50 R20	+0.46 %	100.5 km/h	8,5" – 7,5" – 8" – 9" – 9,5"	22 models in stockFrom CHF 164.00 Summer7 Winter8 All-season7
295/45 R20	+0.53 %	100.5 km/h	10" – 9,5" – 10,5" – 11"	5 models in stockFrom CHF 200.00 Summer1 Winter4
275/50 R20	+1.78 %	101.8 km/h	8,5" – 7,5" – 8" – 9" – 9,5"	14 models in stockFrom CHF 207.00 Summer3 Winter10 All-season1

Size	Difference	Actual speed at 100 km/h on the speedometer	ETRTO rims	Tyres in stock
285/40 R21	-1.02 %	99.0 km/h	10" – 9,5" – 10,5" – 11"	16 models in stockFrom CHF 187.00 Summer6 Winter7 All-season3
295/40 R21 Your size	0 %	100.0 km/h	10,5" – 10" – 11" – 11,5"	17 models in stockFrom CHF 143.00 Summer11 Winter5 All-season1
265/45 R21	+0.33 %	100.3 km/h	9" – 8,5" – 9,5" – 10"	17 models in stockFrom CHF 202.00 Summer7 Winter10
275/45 R21	+1.49 %	101.5 km/h	9" – 8,5" – 9,5" – 10" – 10,5"	31 models in stockFrom CHF 102.00 Summer8 Winter16 All-season7

Size	Difference	Actual speed at 100 km/h on the speedometer	ETRTO rims	Tyres in stock
285/35 R22	-1.45 %	98.6 km/h	10" – 9,5" – 10,5" – 11"	10 models in stockFrom CHF 242.00 Summer2 Winter6 All-season2
265/40 R22	+0.20 %	100.2 km/h	9,5" – 9" – 10" – 10,5"	18 models in stockFrom CHF 183.00 Summer7 Winter10 All-season1
275/40 R22	+1.22 %	101.2 km/h	9,5" – 9" – 10" – 10,5" – 11"	18 models in stockFrom CHF 205.00 Summer9 Winter7 All-season2