205/65R15 tire size

A 205/65R15 tire is 205 mm wide with a sidewall 65% of its width (133.2 mm), fits a 15-inch rim and has an overall diameter of 648 mm (25.5 in).

DimensionMetricImperial
Section width205 mm8.07 in
Sidewall height133.2 mm5.25 in
Rim diameter381.0 mm15 in
Overall diameter647.5 mm25.49 in
Circumference2,034.2 mm80.09 in
Revolutions492 per km791 per mile

Reading the size 205/65R15

205Width in mm65Aspect ratio (sidewall % of width)RRadial construction15Rim 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 205/65R15

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-0.1%99.9Compare
215/50R17647 mm-0.1%99.9Compare
235/40R18645 mm-0.4%99.6Compare
215/45R18651 mm+0.5%100.5Compare
235/45R17643 mm-0.6%99.4Compare
215/55R16643 mm-0.7%99.3Compare
245/45R17652 mm+0.7%100.7
265/35R18643 mm-0.7%99.3

Compare 205/65R15 with any size →

Other 15-inch sizes

175/65R15185/55R15185/60R15185/65R15195/50R15195/55R15195/60R15195/65R15205/60R15215/70R15235/75R15