Decoded notation
215 mm / 45% / R / 15 in
Popular Tire Sizes
215/45R15 Tire Size — Dimensions & Revs
Decode 215/45R15 and calculate nominal width, sidewall, overall diameter, circumference and revolutions.
Calculated dimensions are nominal values based on tire-size notation; actual measured dimensions vary.
Width215 mm
Sidewall height96.8 mm
Rim diameter15 in
Overall diameter574.5 mm
Overall diameter22.62 in
Circumference1804.8 mm
Revolutions per mile891.7
Revolutions per km554.1