235/45R19 tire size

A 235/45R19 tire is 235 mm wide with a sidewall 45% of its width (105.8 mm), fits a 19-inch rim and has an overall diameter of 694 mm (27.3 in).

DimensionMetricImperial
Section width235 mm9.25 in
Sidewall height105.8 mm4.16 in
Rim diameter482.6 mm19 in
Overall diameter694.1 mm27.33 in
Circumference2,180.6 mm85.85 in
Revolutions459 per km738 per mile

Reading the size 235/45R19

235Width in mm45Aspect ratio (sidewall % of width)RRadial construction19Rim 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 235/45R19

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
215/55R18694 mm-0.1%99.9Compare
235/50R18692 mm-0.3%99.7Compare
235/55R17690 mm-0.5%99.5Compare
215/60R17690 mm-0.6%99.4Compare
235/60R16688 mm-0.8%99.2Compare
255/40R19687 mm-1.1%98.9Compare
255/35R20686 mm-1.1%98.9
225/60R17702 mm+1.1%101.1Compare

Compare 235/45R19 with any size →

Other 19-inch sizes

225/35R19225/40R19225/55R19235/35R19235/40R19235/50R19235/55R19245/35R19245/40R19245/45R19255/35R19255/40R19255/50R19255/55R19