Tyre size calculator

235
70
18

Equivalent sizes for the 235/70 R18 tyre

Sidewall height 165 mmDiameter 786 mm Circumference 2470 mmRevolutions/km 405

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

17″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
245/70 R17 -1.45 % 98.6 km/h —
TracmaxFalkenYokohama 4 models in stockFrom CHF 87.90 Summer1 All-season3
265/65 R17 -1.26 % 98.7 km/h —
FalkenTracmaxKleber 13 models in stockFrom CHF 94.90 Summer2 Winter5 All-season6

18″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
265/60 R18 -1.39 % 98.6 km/h —
TracmaxKleberVredestein 16 models in stockFrom CHF 95.90 Summer1 Winter7 All-season8
235/70 R18 Your size 0 % 100.0 km/h — —
265/65 R18 +1.97 % 102.0 km/h —
FalkenHankookGoodyear 4 models in stockFrom CHF 172.00 Winter2 All-season2

20″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
265/50 R20 -1.68 % 98.3 km/h 8,5" – 7,5" – 8" – 9" – 9,5"
PirelliFirestoneHankook 23 models in stockFrom CHF 162.00 Summer7 Winter9 All-season7
255/55 R20 +0.29 % 100.3 km/h —
VredesteinHankookNexen 24 models in stockFrom CHF 164.00 Summer5 Winter10 All-season9

21″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
265/45 R21 -1.81 % 98.2 km/h 9" – 8,5" – 9,5" – 10"
KleberDunlopHankook 16 models in stockFrom CHF 202.00 Summer7 Winter9

22″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
265/40 R22 -1.94 % 98.1 km/h 9,5" – 9" – 10" – 10,5"
HankookBridgestoneMaxxis 18 models in stockFrom CHF 183.00 Summer7 Winter9 All-season2

Sizes equivalent to 235/70 R18:

245/70 R17265/65 R17265/60 R18265/65 R18265/50 R20255/55 R20265/45 R21265/40 R22

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