215/50R17 tire size

A 215/50R17 tire is 215 mm wide with a sidewall 50% of its width (107.5 mm), fits a 17-inch rim and has an overall diameter of 647 mm (25.5 in).

DimensionMetricImperial
Section width215 mm8.46 in
Sidewall height107.5 mm4.23 in
Rim diameter431.8 mm17 in
Overall diameter646.8 mm25.46 in
Circumference2,032.0 mm80.00 in
Revolutions492 per km792 per mile

Reading the size 215/50R17

215Width 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 215/50R17

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
235/35R19647 mm+0.0%100.0Compare
205/65R15648 mm+0.1%100.1Compare
235/40R18645 mm-0.2%99.8Compare
235/45R17643 mm-0.5%99.5Compare
215/55R16643 mm-0.6%99.4Compare
215/45R18651 mm+0.6%100.6Compare
265/35R18643 mm-0.6%99.4Compare
245/45R17652 mm+0.9%100.9

Compare 215/50R17 with any size →

Other 17-inch sizes