Tyre size calculator

Equivalent sizes for the 185/55 R15 tyre

Sidewall height 102 mmDiameter 585 mm Circumference 1836 mmRevolutions/km 545

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

14″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
185/60 R14 -1.17 % 98.8 km/h —
175/65 R14 -0.22 % 99.8 km/h —
165/70 R14 +0.35 % 100.4 km/h —
195/60 R14 +0.87 % 100.9 km/h —
185/65 R14 +2.00 % 102.0 km/h —

15″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
175/55 R15 -1.87 % 98.1 km/h —
195/50 R15 -1.43 % 98.6 km/h 6" – 5,5" – 6,5" – 7"
165/60 R15 -0.91 % 99.1 km/h —
155/65 R15 -0.35 % 99.7 km/h —
185/55 R15 Your size 0 % 100.0 km/h —
205/50 R15 +0.26 % 100.3 km/h 6,5" – 5,5" – 6" – 7" – 7,5"
175/60 R15 +1.13 % 101.1 km/h —
195/55 R15 +1.87 % 101.9 km/h —
165/65 R15 +1.87 % 101.9 km/h —

16″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
215/40 R16 -1.04 % 99.0 km/h 7,5" – 7" – 8" – 8,5" —
195/45 R16 -0.43 % 99.6 km/h 6,5" – 6" – 7" – 7,5"
205/45 R16 +1.09 % 101.1 km/h 7" – 6,5" – 7,5"
185/50 R16 +1.17 % 101.2 km/h 6" – 5" – 5,5" – 6,5"

17″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
215/35 R17 -0.35 % 99.7 km/h 7,5" – 7" – 8" – 8,5" —
195/40 R17 +0.56 % 100.6 km/h 7" – 6,5" – 7,5"
205/40 R17 +1.96 % 102.0 km/h 7,5" – 7" – 8"

Sizes equivalent to 185/55 R15:

185/60 R14175/65 R14165/70 R14195/60 R14185/65 R14175/55 R15195/50 R15165/60 R15155/65 R15205/50 R15175/60 R15195/55 R15165/65 R15215/40 R16195/45 R16205/45 R16185/50 R16215/35 R17195/40 R17205/40 R17

185/55 R15 tyres in stock

View all 47 185/55 R15 tyres ›

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