37x13.50R18 tire size

A 37x13.50R18 tire is 37.00 in (939.8 mm) tall and 13.50 in (342.9 mm) wide, and turns 545 revolutions per mile.

37x13.50R18 dimensions
MeasurementInchesMillimeters
Overall diameter37.00 in939.8 mm
Section width13.50 in342.9 mm
Sidewall height9.50 in241.3 mm
Rim diameter18.00 in457.2 mm
Circumference116.24 in2,952 mm
Revolutions per mile545
Metric equivalent343/70R18 (rounded)

37x13.50R18 is a flotation size: 37.0 inches tall and 13.50 inches wide on a 18-inch wheel, which works out to roughly 343/70R18 in metric terms.

Its overall diameter is 37.00 inches, so it rolls 116.2 inches per revolution and turns about 545 times per mile.

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

Compare 37x13.50R18 with plausible swaps

Sizes within 3% of 37.00 in diameter

Open 37x13.50R18 in the tire size calculator

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