275/65R20 tire size

A 275/65R20 tire is 34.07 in (865.5 mm) tall and 10.83 in (275.0 mm) wide, and turns 592 revolutions per mile.

275/65R20 dimensions
MeasurementInchesMillimeters
Overall diameter34.07 in865.5 mm
Section width10.83 in275.0 mm
Sidewall height7.04 in178.8 mm
Rim diameter20.00 in508.0 mm
Circumference107.05 in2,719 mm
Revolutions per mile592
Flotation equivalent34.1x10.8R20 (approx.)

275/65R20 is a 20-inch tire with a 275 mm (10.83 in) section width and a 65% aspect ratio, giving a 7.04-inch sidewall and a flotation-style size of about 34.1x10.8R20.

Its overall diameter is 34.07 inches, so it rolls 107.0 inches per revolution and turns about 592 times per mile.

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

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Sizes within 3% of 34.07 in diameter

Open 275/65R20 in the tire size calculator

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