Decoded notation
175 mm / 75% / R / 15 in
Popular Tire Sizes
175/75R15 Tire Size — Dimensions & Revs
Decode 175/75R15 and calculate nominal width, sidewall, overall diameter, circumference and revolutions.
Calculated dimensions are nominal values based on tire-size notation; actual measured dimensions vary.
Width175 mm
Sidewall height131.3 mm
Rim diameter15 in
Overall diameter643.5 mm
Overall diameter25.33 in
Circumference2021.6 mm
Revolutions per mile796.1
Revolutions per km494.7