Decoded notation
215 mm / 65% / R / 18 in
Popular Tire Sizes
215/65R18 Tire Size — Dimensions & Revs
Decode 215/65R18 and calculate nominal width, sidewall, overall diameter, circumference and revolutions.
Calculated dimensions are nominal values based on tire-size notation; actual measured dimensions vary.
Width215 mm
Sidewall height139.8 mm
Rim diameter18 in
Overall diameter736.7 mm
Overall diameter29.00 in
Circumference2314.4 mm
Revolutions per mile695.4
Revolutions per km432.1