Decoded notation
235 mm / 65% / R / 18 in
Popular Tire Sizes
235/65R18 Tire Size — Dimensions & Revs
Decode 235/65R18 and calculate nominal width, sidewall, overall diameter, circumference and revolutions.
Calculated dimensions are nominal values based on tire-size notation; actual measured dimensions vary.
Width235 mm
Sidewall height152.8 mm
Rim diameter18 in
Overall diameter762.7 mm
Overall diameter30.03 in
Circumference2396.1 mm
Revolutions per mile671.7
Revolutions per km417.3