245/40R17 tire size

A 245/40R17 tire is 24.72 in (627.8 mm) tall and 9.65 in (245.0 mm) wide, and turns 816 revolutions per mile.

245/40R17 dimensions
MeasurementInchesMillimeters
Overall diameter24.72 in627.8 mm
Section width9.65 in245.0 mm
Sidewall height3.86 in98.0 mm
Rim diameter17.00 in431.8 mm
Circumference77.65 in1,972 mm
Revolutions per mile816
Flotation equivalent24.7x9.6R17 (approx.)

245/40R17 is a 17-inch tire with a 245 mm (9.65 in) section width and a 40% aspect ratio, giving a 3.86-inch sidewall and a flotation-style size of about 24.7x9.6R17.

Its overall diameter is 24.72 inches, so it rolls 77.6 inches per revolution and turns about 816 times per mile.

41 other sizes in this list are within 3% of that diameter.

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Sizes within 3% of 24.72 in diameter

Open 245/40R17 in the tire size calculator

Source: Calculated from standard tire geometry formulas. Verified . How these numbers are calculated.