Decoded notation
255 mm / 50% / R / 19 in
Popular Tire Sizes
255/50R19 Tire Size — Dimensions & Revs
Decode 255/50R19 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 height127.5 mm
Rim diameter19 in
Overall diameter737.6 mm
Overall diameter29.04 in
Circumference2317.2 mm
Revolutions per mile694.5
Revolutions per km431.5