Decoded notation
185 mm / 65% / R / 13 in
Popular Tire Sizes
185/65R13 Tire Size — Dimensions & Revs
Decode 185/65R13 and calculate nominal width, sidewall, overall diameter, circumference and revolutions.
Calculated dimensions are nominal values based on tire-size notation; actual measured dimensions vary.
Width185 mm
Sidewall height120.3 mm
Rim diameter13 in
Overall diameter570.7 mm
Overall diameter22.47 in
Circumference1792.9 mm
Revolutions per mile897.6
Revolutions per km557.8