Tyre size calculator

225
40
18

Equivalent sizes for the 225/40 R18 tyre

Sidewall height 90 mmDiameter 637 mm Circumference 2002 mmRevolutions/km 500

Approved rim widths according to ETRTO: 8" – 7,5" – 8,5" – 9"

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
215/45 R17 -1.87 % 98.1 km/h 7" – 7,5" – 8"
TracmaxYokohamaHankook 34 models in stockFrom CHF 65.90 Summer9 Winter11 All-season14
245/40 R17 -1.47 % 98.5 km/h 8,5" – 8" – 9" – 9,5"
UniroyalHankookKumho 9 models in stockFrom CHF 102.00 Summer7 Winter2
225/45 R17 -0.48 % 99.5 km/h 7,5" – 7" – 8" – 8,5"
TracmaxBridgestoneLaufenn 74 models in stockFrom CHF 66.90 Summer27 Winter26 All-season21
255/40 R17 -0.24 % 99.8 km/h 9" – 8,5" – 9,5" – 10" —
205/50 R17 -0.08 % 99.9 km/h 6,5" – 5,5" – 6" – 7" – 7,5"
TracmaxHankookKleber 48 models in stockFrom CHF 66.90 Summer19 Winter15 All-season14
235/45 R17 +0.96 % 101.0 km/h 8" – 7,5" – 8,5" – 9"
TracmaxLaufennKleber 43 models in stockFrom CHF 69.90 Summer14 Winter12 All-season17
195/55 R17 +1.39 % 101.4 km/h —
Bridgestone 1 model in stockFrom CHF 196.00 Winter1
215/50 R17 +1.47 % 101.5 km/h 7" – 6" – 6,5" – 7,5"
TracmaxHankookDunlop 50 models in stockFrom CHF 69.90 Summer17 Winter15 All-season18

18″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
245/35 R18 -1.36 % 98.6 km/h 8,5" – 8" – 9" – 9,5"
FirestoneUniroyalMichelin 16 models in stockFrom CHF 108.00 Summer7 Winter2 All-season7
215/40 R18 -1.28 % 98.7 km/h 7,5" – 7" – 8" – 8,5"
TracmaxPirelliLandspider 25 models in stockFrom CHF 65.90 Summer11 Winter6 All-season8
255/35 R18 -0.24 % 99.8 km/h 9" – 8,5" – 9,5" – 10"
NexenContinentalLaufenn 21 models in stockFrom CHF 112.00 Summer9 Winter5 All-season7
225/40 R18 Your size 0 % 100.0 km/h 8" – 7,5" – 8,5" – 9"
TracmaxLaufennPirelli 45 models in stockFrom CHF 69.90 Summer6 Winter22 All-season17
205/45 R18 +0.68 % 100.7 km/h 7" – 6,5" – 7,5"
FalkenBridgestoneContinental 4 models in stockFrom CHF 134.00 Winter3 All-season1
235/40 R18 +1.24 % 101.2 km/h 8,5" – 8" – 9" – 9,5"
TracmaxUniroyalYokohama 50 models in stockFrom CHF 69.90 Summer15 Winter19 All-season16

19″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
245/30 R19 -1.20 % 98.8 km/h 8,5" – 8" – 9"
Goodyear 1 model in stockFrom CHF 248.00 Summer1
215/35 R19 -0.64 % 99.4 km/h 7,5" – 7" – 8" – 8,5" —
255/30 R19 -0.28 % 99.7 km/h 9" – 8,5" – 9,5"
YokohamaLaufennHankook 11 models in stockFrom CHF 148.00 Summer11
225/35 R19 +0.44 % 100.4 km/h 8" – 7,5" – 8,5" – 9"
HankookTracmaxPirelli 18 models in stockFrom CHF 74.90 Summer10 Winter2 All-season6
235/35 R19 +1.55 % 101.6 km/h 8,5" – 8" – 9" – 9,5"
TracmaxPirelliBridgestone 40 models in stockFrom CHF 75.90 Summer16 Winter11 All-season13

20″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
225/30 R20 +0.88 % 100.9 km/h 8" —
235/30 R20 +1.83 % 101.8 km/h 8,5"
KumhoFalkenGoodyear 4 models in stockFrom CHF 162.00 Summer4

Sizes equivalent to 225/40 R18:

215/45 R17245/40 R17225/45 R17255/40 R17205/50 R17235/45 R17195/55 R17215/50 R17245/35 R18215/40 R18255/35 R18205/45 R18235/40 R18245/30 R19215/35 R19255/30 R19225/35 R19235/35 R19225/30 R20235/30 R20

225/40 R18 tyres in stock

View all 46 225/40 R18 tyres ›
Tracmax Ice-Plus S210Winter tyresTracmaxIce-Plus S210 92VFrom CHF 69.90Laufenn I-Fit Plus LW31Winter tyresLaufennI-Fit Plus LW31 92VFrom CHF 97.90Pirelli SottoZero 3Winter tyresPirelliSottoZero 3 92VFrom CHF 153.00Bridgestone Blizzak 6Winter tyresBridgestoneBlizzak 6 92VFrom CHF 142.00
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This information is provided for guidance only and does not engage Rupteur's liability in any way.