Tyre size calculator

225
50
18

Equivalent sizes for the 225/50 R18 tyre

Sidewall height 113 mmDiameter 682 mm Circumference 2143 mmRevolutions/km 467

Approved rim widths according to ETRTO: 7" – 6" – 6,5" – 7,5" – 8"

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
245/50 R17 -0.78 % 99.2 km/h 7,5" – 7" – 8" – 8,5" —
205/60 R17 -0.63 % 99.4 km/h —
BridgestoneLandspiderFirestone 13 models in stockFrom CHF 75.90 Winter12 All-season1
225/55 R17 -0.45 % 99.6 km/h —
HankookYokohamaTracmax 85 models in stockFrom CHF 75.90 Summer30 Winter27 All-season28
215/60 R17 +1.12 % 101.1 km/h —
HankookBridgestoneYokohama 54 models in stockFrom CHF 72.90 Summer15 Winter19 All-season20
235/55 R17 +1.19 % 101.2 km/h —
TracmaxYokohamaFirestone 53 models in stockFrom CHF 76.90 Summer21 Winter17 All-season15

18″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
235/45 R18 -1.97 % 98.0 km/h 8" – 7,5" – 8,5" – 9"
YokohamaKleberBridgestone 44 models in stockFrom CHF 75.90 Summer9 Winter20 All-season15
245/45 R18 -0.67 % 99.3 km/h 8" – 7,5" – 8,5" – 9"
TracmaxHankookContinental 56 models in stockFrom CHF 78.90 Summer21 Winter20 All-season15
225/50 R18 Your size 0 % 100.0 km/h 7" – 6" – 6,5" – 7,5" – 8"
TracmaxNexenLandspider 37 models in stockFrom CHF 75.90 Summer11 Winter17 All-season9
255/45 R18 +0.67 % 100.7 km/h 8,5" – 8" – 9" – 9,5"
TracmaxHankookLandspider 26 models in stockFrom CHF 76.90 Summer10 Winter9 All-season7
235/50 R18 +1.45 % 101.5 km/h 7,5" – 6,5" – 7" – 8" – 8,5"
TracmaxContinentalNexen 45 models in stockFrom CHF 76.90 Summer21 Winter10 All-season14
215/55 R18 +1.68 % 101.7 km/h —
TracmaxYokohamaLandspider 40 models in stockFrom CHF 74.90 Summer13 Winter13 All-season14

19″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
235/40 R19 -1.71 % 98.3 km/h 8,5" – 8" – 9" – 9,5"
LandspiderPirelliKumho 39 models in stockFrom CHF 76.90 Summer10 Winter17 All-season12
245/40 R19 -0.52 % 99.5 km/h 8,5" – 8" – 9" – 9,5"
TracmaxLandspiderPirelli 42 models in stockFrom CHF 81.90 Summer16 Winter15 All-season11
225/45 R19 +0.41 % 100.4 km/h 7,5" – 7" – 8" – 8,5"
TracmaxNexenLandspider 35 models in stockFrom CHF 75.90 Summer12 Winter9 All-season14
255/40 R19 +0.63 % 100.6 km/h 9" – 8,5" – 9,5" – 10"
TracmaxAtturoLandspider 41 models in stockFrom CHF 79.90 Summer17 Winter10 All-season14
235/45 R19 +1.75 % 101.8 km/h 8" – 7,5" – 8,5" – 9"
TracmaxFalkenMichelin 34 models in stockFrom CHF 84.90 Summer7 Winter13 All-season14

20″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
235/35 R20 -1.41 % 98.6 km/h 8,5" – 8" – 9" – 9,5"
HankookFirestoneNexen 17 models in stockFrom CHF 172.00 Summer5 Winter11 All-season1
245/35 R20 -0.41 % 99.6 km/h 8,5" – 8" – 9" – 9,5"
TracmaxLandspiderContinental 28 models in stockFrom CHF 81.90 Summer14 Winter6 All-season8
255/35 R20 +0.63 % 100.6 km/h 9" – 8,5" – 9,5" – 10"
TracmaxPirelliVredestein 25 models in stockFrom CHF 81.90 Summer10 Winter9 All-season6

21″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
245/30 R21 -0.26 % 99.7 km/h 8,5" – 8" – 9" —
255/30 R21 +0.60 % 100.6 km/h 9" – 8,5" – 9,5"
Goodyear 1 model in stockFrom CHF 327.00 Summer1

Sizes equivalent to 225/50 R18:

245/50 R17205/60 R17225/55 R17215/60 R17235/55 R17235/45 R18245/45 R18255/45 R18235/50 R18215/55 R18235/40 R19245/40 R19225/45 R19255/40 R19235/45 R19235/35 R20245/35 R20255/35 R20245/30 R21255/30 R21

225/50 R18 tyres in stock

View all 37 225/50 R18 tyres ›
Tracmax X Privilo S330Winter tyresTracmaxX Privilo S330 99VFrom CHF 75.90Nexen Winguard Sport 2Winter tyresNexenWinguard Sport 2 99HFrom CHF 139.00Landspider Snowtraxx H/PWinter tyresLandspiderSnowtraxx H/P 99VFrom CHF 76.90Yokohama Geolandar A/T G015Summer tyresYokohamaGeolandar A/T G015 95HFrom CHF 129.00
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This information is provided for guidance only and does not engage Rupteur's liability in any way.