37x13.50R20 tire size

A 37x13.50R20 tire is 37.00 in (939.8 mm) tall and 13.50 in (342.9 mm) wide, and turns 545 revolutions per mile.

37x13.50R20 dimensions
MeasurementInchesMillimeters
Overall diameter37.00 in939.8 mm
Section width13.50 in342.9 mm
Sidewall height8.50 in215.9 mm
Rim diameter20.00 in508.0 mm
Circumference116.24 in2,952 mm
Revolutions per mile545
Metric equivalent343/63R20 (rounded)

37x13.50R20 is a flotation size: 37.0 inches tall and 13.50 inches wide on a 20-inch wheel, which works out to roughly 343/63R20 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 37x13.50R20 with plausible swaps

Sizes within 3% of 37.00 in diameter

Open 37x13.50R20 in the tire size calculator

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