235/40R19 tire size

A 235/40R19 tire is 235 mm wide with a sidewall 40% of its width (94.0 mm), fits a 19-inch rim and has an overall diameter of 671 mm (26.4 in).

DimensionMetricImperial
Section width235 mm9.25 in
Sidewall height94.0 mm3.70 in
Rim diameter482.6 mm19 in
Overall diameter670.6 mm26.40 in
Circumference2,106.8 mm82.94 in
Revolutions475 per km764 per mile

Reading the size 235/40R19

235Width in mm40Aspect 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 235/40R19

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
235/45R18669 mm-0.3%99.7Compare
215/55R17668 mm-0.3%99.7Compare
205/65R16673 mm+0.3%100.3Compare
225/60R16676 mm+0.9%100.9Compare
215/60R16664 mm-0.9%99.1Compare
245/45R18678 mm+1.1%101.1Compare
225/40R19663 mm-1.2%98.8
245/40R19679 mm+1.2%101.2

Compare 235/40R19 with any size →

Other 19-inch sizes

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