Tyre size calculator

Equivalent sizes for the 175/75 R14 tyre

Sidewall height 131 mmDiameter 618 mm Circumference 1942 mmRevolutions/km 515

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

13″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
175/80 R13 -1.27 % 98.7 km/h — —

14″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
195/65 R14 -1.44 % 98.6 km/h —
185/70 R14 -0.53 % 99.5 km/h —
175/75 R14 Your size 0 % 100.0 km/h — —
165/80 R14 +0.25 % 100.3 km/h — —
195/70 R14 +1.73 % 101.7 km/h —

15″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
205/55 R15 -1.85 % 98.2 km/h —
175/65 R15 -1.52 % 98.5 km/h —
195/60 R15 -0.49 % 99.5 km/h —
185/65 R15 +0.58 % 100.6 km/h —
205/60 R15 +1.48 % 101.5 km/h —
155/80 R15 +1.77 % 101.8 km/h — —

16″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
185/55 R16 -1.32 % 98.7 km/h —
205/50 R16 -1.07 % 98.9 km/h 6,5" – 5,5" – 6" – 7" – 7,5"
175/60 R16 -0.25 % 99.8 km/h —
195/55 R16 +0.45 % 100.5 km/h —
185/60 R16 +1.69 % 101.7 km/h —

17″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
195/45 R17 -1.73 % 98.3 km/h 6,5" – 6" – 7" – 7,5"
205/45 R17 -0.29 % 99.7 km/h 7" – 6,5" – 7,5"
175/55 R17 +1.03 % 101.0 km/h — —

18″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
205/40 R18 +0.53 % 100.5 km/h 7,5" – 7" – 8"

Sizes equivalent to 175/75 R14:

175/80 R13195/65 R14185/70 R14165/80 R14195/70 R14205/55 R15175/65 R15195/60 R15185/65 R15205/60 R15155/80 R15185/55 R16205/50 R16175/60 R16195/55 R16185/60 R16195/45 R17205/45 R17175/55 R17205/40 R18

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