245/60R18 tire size

A 245/60R18 tire is 245 mm wide with a sidewall 60% of its width (147.0 mm), fits a 18-inch rim and has an overall diameter of 751 mm (29.6 in).

DimensionMetricImperial
Section width245 mm9.65 in
Sidewall height147.0 mm5.79 in
Rim diameter457.2 mm18 in
Overall diameter751.2 mm29.57 in
Circumference2,360.0 mm92.91 in
Revolutions424 per km682 per mile

Reading the size 245/60R18

245Width in mm60Aspect ratio (sidewall % of width)RRadial construction18Rim 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 245/60R18

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
245/65R17750 mm-0.1%99.9Compare
245/50R20753 mm+0.2%100.2Compare
245/70R16749 mm-0.2%99.8Compare
275/45R20756 mm+0.6%100.6Compare
235/55R19741 mm-1.3%98.7Compare
235/65R18763 mm+1.5%101.5Compare
255/50R20763 mm+1.6%101.6
255/55R19763 mm+1.6%101.6

Compare 245/60R18 with any size →

Other 18-inch sizes