235/55R17 tire size

A 235/55R17 tire is 27.18 in (690.3 mm) tall and 9.25 in (235.0 mm) wide, and turns 742 revolutions per mile.

235/55R17 dimensions
MeasurementInchesMillimeters
Overall diameter27.18 in690.3 mm
Section width9.25 in235.0 mm
Sidewall height5.09 in129.3 mm
Rim diameter17.00 in431.8 mm
Circumference85.38 in2,169 mm
Revolutions per mile742
Flotation equivalent27.2x9.3R17 (approx.)

235/55R17 is a 17-inch tire with a 235 mm (9.25 in) section width and a 55% aspect ratio, giving a 5.09-inch sidewall and a flotation-style size of about 27.2x9.3R17.

Its overall diameter is 27.18 inches, so it rolls 85.4 inches per revolution and turns about 742 times per mile.

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

Compare 235/55R17 with plausible swaps

Sizes within 3% of 27.18 in diameter

Open 235/55R17 in the tire size calculator

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