A 38x15.50R20 tire is 38.0 inches tall and 15.5 inches wide and mounts on a 20-inch wheel, which leaves a 9.0-inch sidewall. It turns about 531 times per mile.
38x15.50R20 Tire Size in Metric
38.0" tall, 15.5" wide on a 20" wheel
Diameter38.0"965 mm
Overall diameter38.0"965 mm
Section width15.5"394 mm
Sidewall height9.0"229 mm
Circumference119.4"3032 mm
Revolutions per mile531330 per km
Wheel diameter20"flotation size
38x15.50R20
38x15.50R20
Diameter difference±0.00%diameter 38.00" → 38.00"
| Current | New | Difference |
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Speedometer
| Shows | Actual speed |
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Gear ratio to match
–enter your current axle ratio38x15.50R20 FAQ
How tall is a 38x15.50R20 tire?
38.0 inches (965 mm), with a 9.0-inch sidewall on a 20-inch wheel.
What is 38x15.50R20 in metric?
There is no common metric size within half an inch of 38.0".
How many revolutions per mile does a 38x15.50R20 make?
About 531, or 330 per kilometer.