Tyre size calculator

Equivalent sizes for the 195/45 R17 tyre

Sidewall height 88 mmDiameter 607 mm Circumference 1908 mmRevolutions/km 524

Approved rim widths according to ETRTO: 6,5" – 6" – 7" – 7,5"

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
215/45 R16	-1.21 %	98.8 km/h	7" – 7,5" – 8"	28 models in stockFrom CHF 62.90 Summer8 Winter5 All-season15
195/50 R16	-0.96 %	99.0 km/h	6" – 5,5" – 6,5" – 7"	33 models in stockFrom CHF 57.90 Summer15 Winter8 All-season10
225/45 R16	+0.25 %	100.3 km/h	7,5" – 7" – 8" – 8,5"	—
185/55 R16	+0.42 %	100.4 km/h	—	20 models in stockFrom CHF 56.90 Summer9 Winter3 All-season8
205/50 R16	+0.67 %	100.7 km/h	6,5" – 5,5" – 6" – 7" – 7,5"	24 models in stockFrom CHF 59.90 Summer13 Winter5 All-season6
175/60 R16	+1.51 %	101.5 km/h	—	7 models in stockFrom CHF 56.90 Summer1 Winter2 All-season4

Size	Difference	Actual speed at 100 km/h on the speedometer	ETRTO rims	Tyres in stock
205/40 R17	-1.88 %	98.1 km/h	7,5" – 7" – 8"	23 models in stockFrom CHF 62.90 Summer9 Winter6 All-season8
215/40 R17	-0.59 %	99.4 km/h	7,5" – 7" – 8" – 8,5"	35 models in stockFrom CHF 60.90 Summer15 Winter7 All-season13
195/45 R17 Your size	0 %	100.0 km/h	6,5" – 6" – 7" – 7,5"	3 models in stockFrom CHF 112.00 Winter2 All-season1
205/45 R17	+1.46 %	101.5 km/h	7" – 6,5" – 7,5"	40 models in stockFrom CHF 63.90 Summer9 Winter15 All-season16

Size	Difference	Actual speed at 100 km/h on the speedometer	ETRTO rims	Tyres in stock
205/35 R18	-1.09 %	98.9 km/h	7,5"	—
215/35 R18	+0.08 %	100.1 km/h	7,5" – 7" – 8" – 8,5"	2 models in stockFrom CHF 114.00 Summer2
225/35 R18	+1.21 %	101.2 km/h	8" – 7,5" – 8,5" – 9"	8 models in stockFrom CHF 111.00 Summer7 Winter1