295/40R18 tire size

A 295/40R18 tire is 27.29 in (693.2 mm) tall and 11.61 in (295.0 mm) wide, and turns 739 revolutions per mile.

295/40R18 dimensions
MeasurementInchesMillimeters
Overall diameter27.29 in693.2 mm
Section width11.61 in295.0 mm
Sidewall height4.65 in118.0 mm
Rim diameter18.00 in457.2 mm
Circumference85.74 in2,178 mm
Revolutions per mile739
Flotation equivalent27.3x11.6R18 (approx.)

295/40R18 is a 18-inch tire with a 295 mm (11.61 in) section width and a 40% aspect ratio, giving a 4.65-inch sidewall and a flotation-style size of about 27.3x11.6R18.

Its overall diameter is 27.29 inches, so it rolls 85.7 inches per revolution and turns about 739 times per mile.

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

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Sizes within 3% of 27.29 in diameter

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