Decoded notation
265 mm / 65% / R / 18 in
Popular Tire Sizes
265/65R18 Tire Size — Dimensions & Revs
Decode 265/65R18 and calculate nominal width, sidewall, overall diameter, circumference and revolutions.
Calculated dimensions are nominal values based on tire-size notation; actual measured dimensions vary.
Width265 mm
Sidewall height172.3 mm
Rim diameter18 in
Overall diameter801.7 mm
Overall diameter31.56 in
Circumference2518.6 mm
Revolutions per mile639.0
Revolutions per km397.0