225/55R19 tire size

A 225/55R19 tire is 225 mm wide with a sidewall 55% of its width (123.8 mm), fits a 19-inch rim and has an overall diameter of 730 mm (28.7 in).

DimensionMetricImperial
Section width225 mm8.86 in
Sidewall height123.8 mm4.87 in
Rim diameter482.6 mm19 in
Overall diameter730.1 mm28.74 in
Circumference2,293.7 mm90.30 in
Revolutions436 per km702 per mile

Reading the size 225/55R19

225Width in mm55Aspect 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 225/55R19

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
245/45R20728 mm-0.2%99.8Compare
275/40R20728 mm-0.3%99.7Compare
225/60R18727 mm-0.4%99.6Compare
235/75R15734 mm+0.5%100.5Compare
235/70R16735 mm+0.7%100.7Compare
225/65R17724 mm-0.8%99.2Compare
235/65R17737 mm+1.0%101.0
255/45R20738 mm+1.0%101.0

Compare 225/55R19 with any size →

Other 19-inch sizes