275/70R18 tire size

A 275/70R18 tire is 33.16 in (842.2 mm) tall and 10.83 in (275.0 mm) wide, and turns 608 revolutions per mile.

275/70R18 dimensions
MeasurementInchesMillimeters
Overall diameter33.16 in842.2 mm
Section width10.83 in275.0 mm
Sidewall height7.58 in192.5 mm
Rim diameter18.00 in457.2 mm
Circumference104.17 in2,646 mm
Revolutions per mile608
Flotation equivalent33.2x10.8R18 (approx.)

275/70R18 is a 18-inch tire with a 275 mm (10.83 in) section width and a 70% aspect ratio, giving a 7.58-inch sidewall and a flotation-style size of about 33.2x10.8R18.

Its overall diameter is 33.16 inches, so it rolls 104.2 inches per revolution and turns about 608 times per mile.

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

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Sizes within 3% of 33.16 in diameter

Open 275/70R18 in the tire size calculator

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