Decoded notation
255 mm / 45% / R / 19 in
Popular Tire Sizes
255/45R19 Tire Size — Dimensions & Revs
Decode 255/45R19 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 height114.8 mm
Rim diameter19 in
Overall diameter712.1 mm
Overall diameter28.04 in
Circumference2237.1 mm
Revolutions per mile719.4
Revolutions per km447.0