Decoded notation
255 mm / 55% / R / 17 in
Popular Tire Sizes
255/55R17 Tire Size — Dimensions & Revs
Decode 255/55R17 and calculate nominal width, sidewall, overall diameter, circumference and revolutions.
Calculated dimensions are nominal values based on tire-size notation; actual measured dimensions vary.
Width255 mm
Sidewall height140.3 mm
Rim diameter17 in
Overall diameter712.3 mm
Overall diameter28.04 in
Circumference2237.8 mm
Revolutions per mile719.2
Revolutions per km446.9