Decoded notation
195 mm / 45% / R / 15 in
Popular Tire Sizes
195/45R15 Tire Size — Dimensions & Revs
Decode 195/45R15 and calculate nominal width, sidewall, overall diameter, circumference and revolutions.
Calculated dimensions are nominal values based on tire-size notation; actual measured dimensions vary.
Width195 mm
Sidewall height87.8 mm
Rim diameter15 in
Overall diameter556.5 mm
Overall diameter21.91 in
Circumference1748.3 mm
Revolutions per mile920.5
Revolutions per km572.0