Decoded notation
225 mm / 45% / R / 15 in
Popular Tire Sizes
225/45R15 Tire Size — Dimensions & Revs
Decode 225/45R15 and calculate nominal width, sidewall, overall diameter, circumference and revolutions.
Calculated dimensions are nominal values based on tire-size notation; actual measured dimensions vary.
Width225 mm
Sidewall height101.3 mm
Rim diameter15 in
Overall diameter583.5 mm
Overall diameter22.97 in
Circumference1833.1 mm
Revolutions per mile877.9
Revolutions per km545.5