38x14.50R18 Tire Size

Understanding 38x14.50R18 tire size is crucial for making informed decisions when purchasing new tires, whether it is for replacement or upgrade, as it plays an important role in your vehicle's performance and safety. Let's explore 38x14.50R18 tire size specs and dimensions, what vehicles are equipped with 38x14.50R18 tires and what are its replacement alternatives.

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What does 38x14.50R18 mean?

38x14.50R18 is a Flotation tire size that is commonly used on light trucks and commercial vehicles that require extra durability and load carrying capacity. Let us decode each aspect of 38x14.50R18 tire size dimensions for better understanding.

  • 38 - this number represents the overall diameter of a tire when it is fully inflated and not under load. For this particular tire size, tire's diameter is 38 inches.
  • 14.50 - this number indicates tire's section width, which includes the entire width of the tire from one sidewall to the other. The tread width is typically a bit narrower than the section width. Since this is a Flotation tire size, this measurement is in inches. So section width of this particular tire is 14.50 inches.
  • R - this letter denotes that tire has radial construction.
  • 18 - the last number indicates the wheel diameter in inches that the tire is designed to fit. 38x14.50R18 can be mounted on rims with 18 inches in diameter.
38x14.50R18 Section Width
38x14.50R18 Tire Side
Tire Circumference
531 Revs/Mile
Metric Inches
Tread Width 368.3 mm 14.50"
Aspect Ratio 69%
Rim Diameter 457 mm 18"
Tire Diameter 965.2 mm 38"
Sidewall Height 254 mm 10"
Circumference 3031 mm 119.3"
Revolutions 330 per km 531 per mile

What vehicles use 38x14.50R18 tire size?

No vehicles found.

What are replacement alternatives for 38x14.50R18 tire?

No compatible replacement tire sizes found.

What wheels can 38x14.50R18 tire be mounted on?

38x14.50R18 tires are generally approved to be mounted on 10" to 12" wide wheels. The follwing wheel sizes can be used:

  • 18x10
  • 18x10.5
  • 18x11
  • 18x11.5
  • 18x12

All listed guides, data and/or calculations are for informational purposes only. Tire-Sizes.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information.