Decoded notation
245 mm / 65% / R / 18 in
Popular Tire Sizes
245/65R18 Tire Size — Dimensions & Revs
Decode 245/65R18 and calculate nominal width, sidewall, overall diameter, circumference and revolutions.
Calculated dimensions are nominal values based on tire-size notation; actual measured dimensions vary.
Width245 mm
Sidewall height159.3 mm
Rim diameter18 in
Overall diameter775.7 mm
Overall diameter30.54 in
Circumference2436.9 mm
Revolutions per mile660.4
Revolutions per km410.4