Decoded notation
285 mm / 30% / R / 19 in
Popular Tire Sizes
285/30R19 Tire Size — Dimensions & Revs
Decode 285/30R19 and calculate nominal width, sidewall, overall diameter, circumference and revolutions.
Calculated dimensions are nominal values based on tire-size notation; actual measured dimensions vary.
Width285 mm
Sidewall height85.5 mm
Rim diameter19 in
Overall diameter653.6 mm
Overall diameter25.73 in
Circumference2053.3 mm
Revolutions per mile783.8
Revolutions per km487.0