Decoded notation
255 mm / 55% / R / 19 in
Popular Tire Sizes
255/55R19 Tire Size — Dimensions & Revs
Decode 255/55R19 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 diameter19 in
Overall diameter763.1 mm
Overall diameter30.04 in
Circumference2397.3 mm
Revolutions per mile671.3
Revolutions per km417.1