Decoded notation
225 mm / 60% / R / 18 in
Popular Tire Sizes
225/60R18 Tire Size — Dimensions & Revs
Decode 225/60R18 and calculate nominal width, sidewall, overall diameter, circumference and revolutions.
Calculated dimensions are nominal values based on tire-size notation; actual measured dimensions vary.
Width225 mm
Sidewall height135.0 mm
Rim diameter18 in
Overall diameter727.2 mm
Overall diameter28.63 in
Circumference2284.6 mm
Revolutions per mile704.4
Revolutions per km437.7