38x15.50R20 tire size
A 38x15.50R20 tire is 38.00 in (965.2 mm) tall and 15.50 in (393.7 mm) wide, and turns 531 revolutions per mile.
- 38.00 inOverall diameter
- 9.00 inSidewall height
- 531Revolutions per mile
- 394/58R20Metric equivalent
| Measurement | Inches | Millimeters |
|---|---|---|
| Overall diameter | 38.00 in | 965.2 mm |
| Section width | 15.50 in | 393.7 mm |
| Sidewall height | 9.00 in | 228.6 mm |
| Rim diameter | 20.00 in | 508.0 mm |
| Circumference | 119.38 in | 3,032 mm |
| Revolutions per mile | 531 | |
| Metric equivalent | 394/58R20 (rounded) | |
38x15.50R20 is a flotation size: 38.0 inches tall and 15.50 inches wide on a 20-inch wheel, which works out to roughly 394/58R20 in metric terms.
Its overall diameter is 38.00 inches, so it rolls 119.4 inches per revolution and turns about 531 times per mile.
9 other sizes in this list are within 3% of that diameter.
Compare 38x15.50R20 with plausible swaps
- 37x12.50R18 vs 38x15.50R20 (−2.63%)
- 37x13.50R18 vs 38x15.50R20 (−2.63%)
- 37x12.50R20 vs 38x15.50R20 (−2.63%)
- 37x13.50R20 vs 38x15.50R20 (−2.63%)
- 38x13.50R20 vs 38x15.50R20 (0.00%)
- 38x15.50R20 vs 37x13.50R22 (−2.63%)
Sizes within 3% of 38.00 in diameter
- 38x13.50R20 38.00 in (0.00%)
- 37x12.50R17 37.00 in (−2.63%)
- 37x13.50R17 37.00 in (−2.63%)
- 37x12.50R18 37.00 in (−2.63%)
- 37x13.50R18 37.00 in (−2.63%)
- 37x12.50R20 37.00 in (−2.63%)
- 37x13.50R20 37.00 in (−2.63%)
- 37x13.50R22 37.00 in (−2.63%)
- 37x13.50R24 37.00 in (−2.63%)
Open 38x15.50R20 in the tire size calculator
Source: Calculated from standard tire geometry formulas. Verified . How these numbers are calculated.