Decoded notation
245 mm / 40% / R / 17 in
Popular Tire Sizes
245/40R17 Tire Size — Dimensions & Revs
Decode 245/40R17 and calculate nominal width, sidewall, overall diameter, circumference and revolutions.
Calculated dimensions are nominal values based on tire-size notation; actual measured dimensions vary.
Width245 mm
Sidewall height98.0 mm
Rim diameter17 in
Overall diameter627.8 mm
Overall diameter24.72 in
Circumference1972.3 mm
Revolutions per mile816.0
Revolutions per km507.0