Decoded notation
265 mm / 45% / R / 18 in
Popular Tire Sizes
265/45R18 Tire Size — Dimensions & Revs
Decode 265/45R18 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 height119.3 mm
Rim diameter18 in
Overall diameter695.7 mm
Overall diameter27.39 in
Circumference2185.6 mm
Revolutions per mile736.3
Revolutions per km457.5