Decoded notation
215 mm / 55% / R / 15 in
Popular Tire Sizes
215/55R15 Tire Size — Dimensions & Revs
Decode 215/55R15 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 height118.3 mm
Rim diameter15 in
Overall diameter617.5 mm
Overall diameter24.31 in
Circumference1939.9 mm
Revolutions per mile829.6
Revolutions per km515.5