255/45R17 tire size

A 255/45R17 tire is 26.04 in (661.3 mm) tall and 10.04 in (255.0 mm) wide, and turns 775 revolutions per mile.

255/45R17 dimensions
MeasurementInchesMillimeters
Overall diameter26.04 in661.3 mm
Section width10.04 in255.0 mm
Sidewall height4.52 in114.8 mm
Rim diameter17.00 in431.8 mm
Circumference81.79 in2,078 mm
Revolutions per mile775
Flotation equivalent26.0x10.0R17 (approx.)

255/45R17 is a 17-inch tire with a 255 mm (10.04 in) section width and a 45% aspect ratio, giving a 4.52-inch sidewall and a flotation-style size of about 26.0x10.0R17.

Its overall diameter is 26.04 inches, so it rolls 81.8 inches per revolution and turns about 775 times per mile.

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

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Sizes within 3% of 26.04 in diameter

Open 255/45R17 in the tire size calculator

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