185/65R14 tire size

A 185/65R14 tire is 185 mm wide with a sidewall 65% of its width (120.2 mm), fits a 14-inch rim and has an overall diameter of 596 mm (23.5 in).

DimensionMetricImperial
Section width185 mm7.28 in
Sidewall height120.2 mm4.73 in
Rim diameter355.6 mm14 in
Overall diameter596.1 mm23.47 in
Circumference1,872.7 mm73.73 in
Revolutions534 per km859 per mile

Reading the size 185/65R14

185Width in mm65Aspect ratio (sidewall % of width)RRadial construction14Rim 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 185/65R14

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
205/40R17596 mm-0.1%99.9Compare
195/55R15596 mm-0.1%99.9Compare
175/70R14601 mm+0.8%100.8Compare
205/45R16591 mm-0.9%99.1Compare
185/60R15603 mm+1.2%101.2Compare
215/40R17604 mm+1.3%101.3Compare
165/70R14587 mm-1.6%98.4
185/55R15584 mm-1.9%98.1

Compare 185/65R14 with any size →

Other 14-inch sizes