treadsheet

225/60R18 in inches

A 225/60R18 tire stands 28.6 inches tall and is 8.9 inches wide. It fits an 18-inch wheel.

Tall
28.6″
727 mm
Wide
8.9″
225 mm
Wheel
18″
rim diameter
225/60R18RADIAL · TUBELESS

How 225/60R18 is measured

MeasurementInchesMillimetres
Overall height (diameter)28.63727
Tread width8.86225
Sidewall height5.31135
Distance per turn (circumference)89.92285
Turns per mile704

The first number (225) is the width in millimetres. The second (60) means the sidewall is 60% as tall as the tire is wide. The last (18) is the wheel size in inches. More on reading a tire size.