38x13.50R20 tire size
A 38x13.50R20 tire is 38 inches tall and 13.5 inches wide on a 20-inch rim, with a 9.0-inch sidewall. The closest metric size is 315/75R20, 0.6 inches taller.
- Overall height
- 38 in965 mm
- Section width
- 13.50 in343 mm
- Sidewall height
- 9.0 in229 mm
- Rim diameter
- 20 in508 mm
- Circumference
- 119.4 in3032 mm
- Revolutions per mile
- 531330 per km
38x13.50R20 in metric
These metric 20-inch sizes are within 3% of a 38x13.50R20's height and within about an inch of its width. Metric sizes are usually a little narrower than the inch size they replace.
Other inch sizes
On 20-inch rims
browse 20-inch tire sizes.
Shop 38x13.50R20 tires
These open each store's own list of 38x13.50R20 tires.
38x13.50R20 questions
What does 38x13.50R20 mean?
It is an inch size: 38 inches overall height, 13.50 inches section width, R for radial, and a 20-inch rim. Inch sizes like this are light-truck tires, sold in load ranges such as C, D or E.
What is 38x13.50R20 in metric?
There is no exact metric twin, but 315/75R20 (38.6 in tall, 12.4 in wide), 315/70R20 (37.4 in tall, 12.4 in wide) are the closest on a 20-inch rim.
How many revolutions per mile does a 38x13.50R20 make?
About 531, worked out from its 119.4-inch unloaded circumference. Loaded on the truck it turns slightly more.