Tyre size calculator

Equivalent sizes for the 215/75 R14 tyre

Sidewall height 161 mmDiameter 678 mm Circumference 2130 mmRevolutions/km 469

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
195/80 R14 -1.57 % 98.4 km/h — —
215/75 R14 Your size 0 % 100.0 km/h — —
205/80 R14 +0.79 % 100.8 km/h — —

15″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
205/70 R15 -1.50 % 98.5 km/h —
185/80 R15 -0.19 % 99.8 km/h — —
215/70 R15 +0.56 % 100.6 km/h —

16″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
205/65 R16 -0.79 % 99.2 km/h —
225/60 R16 -0.26 % 99.7 km/h —
195/70 R16 +0.19 % 100.2 km/h —
185/75 R16 +0.86 % 100.9 km/h —
215/65 R16 +1.12 % 101.1 km/h —
235/60 R16 +1.50 % 101.5 km/h —

17″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
235/50 R17 -1.69 % 98.3 km/h 7,5" – 6,5" – 7" – 8" – 8,5"
215/55 R17 -1.46 % 98.5 km/h —
245/50 R17 -0.19 % 99.8 km/h 7,5" – 7" – 8" – 8,5" —
205/60 R17 -0.04 % 100.0 km/h —
225/55 R17 +0.15 % 100.2 km/h —
215/60 R17 +1.72 % 101.7 km/h —
235/55 R17 +1.80 % 101.8 km/h —

18″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
235/45 R18 -1.39 % 98.6 km/h 8" – 7,5" – 8,5" – 9"
245/45 R18 -0.07 % 99.9 km/h 8" – 7,5" – 8,5" – 9"
225/50 R18 +0.60 % 100.6 km/h 7" – 6" – 6,5" – 7,5" – 8"

19″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
235/40 R19 -1.12 % 98.9 km/h 8,5" – 8" – 9" – 9,5"
245/40 R19 +0.07 % 100.1 km/h 8,5" – 8" – 9" – 9,5"
225/45 R19 +1.01 % 101.0 km/h 7,5" – 7" – 8" – 8,5"

20″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
225/35 R20 -1.87 % 98.1 km/h 8" – 7,5" – 8,5" – 9"
235/35 R20 -0.82 % 99.2 km/h 8,5" – 8" – 9" – 9,5"
245/35 R20 +0.19 % 100.2 km/h 8,5" – 8" – 9" – 9,5"

21″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
245/30 R21 +0.34 % 100.3 km/h 8,5" – 8" – 9" —

Sizes equivalent to 215/75 R14:

195/80 R14205/80 R14205/70 R15185/80 R15215/70 R15205/65 R16225/60 R16195/70 R16185/75 R16215/65 R16235/60 R16235/50 R17215/55 R17245/50 R17205/60 R17225/55 R17215/60 R17235/55 R17235/45 R18245/45 R18225/50 R18235/40 R19245/40 R19225/45 R19

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