225/50R17 tire size

A 225/50R17 tire is 225 mm wide with a sidewall 50% of its width (112.5 mm), fits a 17-inch rim and has an overall diameter of 657 mm (25.9 in).

DimensionMetricImperial
Section width225 mm8.86 in
Sidewall height112.5 mm4.43 in
Rim diameter431.8 mm17 in
Overall diameter656.8 mm25.86 in
Circumference2,063.4 mm81.24 in
Revolutions485 per km780 per mile

Reading the size 225/50R17

225Width in mm50Aspect ratio (sidewall % of width)RRadial construction17Rim diameter in inches

The load index and speed rating (for example 91V) follow the size on the sidewall. Replacement tires should match or exceed the original load index and speed rating.

Alternative sizes within 3% of 225/50R17

A replacement size should stay within about 3% of the original diameter so the speedometer, ABS and transmission stay accurate. Always check clearance, load index and the vehicle manufacturer's approved sizes.

SizeDiameterDifferenceSpeedo reads 100 → actual
205/55R17657 mm+0.1%100.1Compare
245/35R19654 mm-0.4%99.6Compare
225/55R16654 mm-0.4%99.6Compare
225/45R18660 mm+0.4%100.4Compare
245/40R18653 mm-0.5%99.5Compare
255/35R19661 mm+0.7%100.7Compare
205/60R16652 mm-0.7%99.3Compare
245/45R17652 mm-0.7%99.3Compare

Compare 225/50R17 with any size →

Other 17-inch sizes