Decoded notation
305 mm / 40% / R / 22 in
Popular Tire Sizes
305/40R22 Tire Size — Dimensions & Revs
Decode 305/40R22 and calculate nominal width, sidewall, overall diameter, circumference and revolutions.
Calculated dimensions are nominal values based on tire-size notation; actual measured dimensions vary.
Width305 mm
Sidewall height122.0 mm
Rim diameter22 in
Overall diameter802.8 mm
Overall diameter31.61 in
Circumference2522.1 mm
Revolutions per mile638.1
Revolutions per km396.5