255/40R22 tire size

A 255/40R22 tire is 30.03 in (762.8 mm) tall and 10.04 in (255.0 mm) wide, and turns 672 revolutions per mile.

255/40R22 dimensions
MeasurementInchesMillimeters
Overall diameter30.03 in762.8 mm
Section width10.04 in255.0 mm
Sidewall height4.02 in102.0 mm
Rim diameter22.00 in558.8 mm
Circumference94.35 in2,396 mm
Revolutions per mile672
Flotation equivalent30.0x10.0R22 (approx.)

255/40R22 is a 22-inch tire with a 255 mm (10.04 in) section width and a 40% aspect ratio, giving a 4.02-inch sidewall and a flotation-style size of about 30.0x10.0R22.

Its overall diameter is 30.03 inches, so it rolls 94.3 inches per revolution and turns about 672 times per mile.

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

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Sizes within 3% of 30.03 in diameter

Open 255/40R22 in the tire size calculator

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