325/60R20 tire size

A 325/60R20 tire is 35.35 in (898.0 mm) tall and 12.80 in (325.0 mm) wide, and turns 570 revolutions per mile.

325/60R20 dimensions
MeasurementInchesMillimeters
Overall diameter35.35 in898.0 mm
Section width12.80 in325.0 mm
Sidewall height7.68 in195.0 mm
Rim diameter20.00 in508.0 mm
Circumference111.07 in2,821 mm
Revolutions per mile570
Flotation equivalent35.4x12.8R20 (approx.)

325/60R20 is a 20-inch tire with a 325 mm (12.80 in) section width and a 60% aspect ratio, giving a 7.68-inch sidewall and a flotation-style size of about 35.4x12.8R20.

Its overall diameter is 35.35 inches, so it rolls 111.1 inches per revolution and turns about 570 times per mile.

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

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Sizes within 3% of 35.35 in diameter

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