185/70R14 tire size

A 185/70R14 tire is 185 mm wide with a sidewall 70% of its width (129.5 mm), fits a 14-inch rim and has an overall diameter of 615 mm (24.2 in).

DimensionMetricImperial
Section width185 mm7.28 in
Sidewall height129.5 mm5.10 in
Rim diameter355.6 mm14 in
Overall diameter614.6 mm24.20 in
Circumference1,930.8 mm76.02 in
Revolutions518 per km834 per mile

Reading the size 185/70R14

185Width in mm70Aspect 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 185/70R14

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
195/60R15615 mm+0.1%100.1Compare
205/45R17616 mm+0.3%100.3Compare
205/50R16611 mm-0.5%99.5Compare
175/65R15608 mm-1.0%99.0Compare
195/55R16621 mm+1.0%101.0Compare
185/65R15622 mm+1.1%101.1Compare
215/45R17625 mm+1.7%101.7
215/40R17604 mm-1.8%98.2

Compare 185/70R14 with any size →

Other 14-inch sizes

155/65R14165/65R14165/70R14175/65R14175/70R14185/60R14185/65R14195/70R14