Decoded notation
205 mm / 55% / R / 15 in
Popular Tire Sizes
205/55R15 Tire Size — Dimensions & Revs
Decode 205/55R15 and calculate nominal width, sidewall, overall diameter, circumference and revolutions.
Calculated dimensions are nominal values based on tire-size notation; actual measured dimensions vary.
Width205 mm
Sidewall height112.8 mm
Rim diameter15 in
Overall diameter606.5 mm
Overall diameter23.88 in
Circumference1905.4 mm
Revolutions per mile844.6
Revolutions per km524.8