265/35R18 tire size

A 265/35R18 tire is 265 mm wide with a sidewall 35% of its width (92.8 mm), fits a 18-inch rim and has an overall diameter of 643 mm (25.3 in).

DimensionMetricImperial
Section width265 mm10.43 in
Sidewall height92.8 mm3.65 in
Rim diameter457.2 mm18 in
Overall diameter642.7 mm25.30 in
Circumference2,019.1 mm79.49 in
Revolutions495 per km797 per mile

Reading the size 265/35R18

265Width in mm35Aspect 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 265/35R18

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
215/55R16643 mm+0.0%100.0Compare
235/45R17643 mm+0.1%100.1Compare
235/40R18645 mm+0.4%100.4Compare
225/35R19640 mm-0.4%99.6Compare
215/50R17647 mm+0.6%100.6Compare
235/35R19647 mm+0.7%100.7Compare
205/65R15648 mm+0.7%100.7
225/40R18637 mm-0.9%99.1Compare

Compare 265/35R18 with any size →

Other 18-inch sizes

215/45R18215/55R18225/40R18225/45R18225/50R18225/55R18225/60R18235/40R18235/45R18235/50R18235/55R18235/60R18235/65R18245/40R18245/45R18245/60R18255/55R18255/60R18255/65R18255/70R18265/60R18265/65R18265/70R18275/65R18275/70R18