235/45R20 tire size

A 235/45R20 tire is 28.33 in (719.5 mm) tall and 9.25 in (235.0 mm) wide, and turns 712 revolutions per mile.

235/45R20 dimensions
MeasurementInchesMillimeters
Overall diameter28.33 in719.5 mm
Section width9.25 in235.0 mm
Sidewall height4.16 in105.8 mm
Rim diameter20.00 in508.0 mm
Circumference88.99 in2,260 mm
Revolutions per mile712
Flotation equivalent28.3x9.3R20 (approx.)

235/45R20 is a 20-inch tire with a 235 mm (9.25 in) section width and a 45% aspect ratio, giving a 4.16-inch sidewall and a flotation-style size of about 28.3x9.3R20.

Its overall diameter is 28.33 inches, so it rolls 89.0 inches per revolution and turns about 712 times per mile.

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

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Sizes within 3% of 28.33 in diameter

Open 235/45R20 in the tire size calculator

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