225/60R18 tire size

A 225/60R18 tire is 28.63 in (727.2 mm) tall and 8.86 in (225.0 mm) wide, and turns 704 revolutions per mile.

225/60R18 dimensions
MeasurementInchesMillimeters
Overall diameter28.63 in727.2 mm
Section width8.86 in225.0 mm
Sidewall height5.31 in135.0 mm
Rim diameter18.00 in457.2 mm
Circumference89.94 in2,285 mm
Revolutions per mile704
Flotation equivalent28.6x8.9R18 (approx.)

225/60R18 is a 18-inch tire with a 225 mm (8.86 in) section width and a 60% aspect ratio, giving a 5.31-inch sidewall and a flotation-style size of about 28.6x8.9R18.

Its overall diameter is 28.63 inches, so it rolls 89.9 inches per revolution and turns about 704 times per mile.

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

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Sizes within 3% of 28.63 in diameter

Open 225/60R18 in the tire size calculator

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