375/50R18 in Inches

A 375/50R18 tire has a 32.8-inch diameter, a 14.8-inch width, and is designed for a 18-inch rim.

In high flotation terms, this tire is labeled as 32.8x14.8R18.

375/50R18 Tire Size
14.8"
32.8"
375/50R18 Tire Size in Inches
375/50R18 Tire Circumference
102.9"
18"
7.4"
615.6 revs/mile

375/50R18 Tire Overview

Height
32.8 inches
Wheel Diameter
18 inches
Tire Width
14.8 inches
Circumference
102.9 inches
Sidewall Height
7.4 inches
Revolutions
615.6 per mile
Tirelib.com

What does 375/50R18 mean?

375/50R18 tire size meaning in inches

375/50R18 is a tire size with the following dimensions:

  • 375 is the width of the tire in millimeters. This number also indicates the appropriate width of the rim on which the tire should be mounted.
  • 50 is the aspect ratio, which is the ratio of the tire's height to its width. This affects the tire's handling and ride comfort
  • R indicates the tire's construction type, meaning it has a radial construction. This provides stability and precision to the tire.
  • 18 is the diameter of the wheel in inches, on which the tire is to be mounted.

375/50R18 Tire Conversion

DimensionsInchesMillimeters
Tire Diameter32.8 in832.2 mm
Section Width14.8 in375 mm
Rim Height18 in457 mm
Sidewall Height7.4 in187.5 mm
Circumference102.9 in2614.4 mm
Revolutions615.6 revs/mile
Not the tire size you are searching for? Try our Tire Size Calculator.

FAQ About 375/50R18 Tire

How tall is a 375/50R18 tire?

The height (or diameter) of a 375/50R18 tire is 32.8 inches

How wide is a 375/50R18 tire?

The width of a 375/50R18 tire is 375 mm, which is about 14.8 inches.

What size rim fits a 375/50R18 tire?

A 375/50R18 tire fits on a rim that is 18 inches in diameter.

What does the 50 in a 375/50R18 tire mean?

The 50 in a 375/50R18 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 50% of its width.


Alternative Tire Sizes for 375/50R18

Typically, it's recommended to choose a tire with a diameter (height) within 3% of the original equipment manufacturer (OEM) tire size.

However, keep in mind that this is a general guideline and not an absolute rule.

Here are some tire sizes that are compatible with the 375/50R18:

Tire SizeDiameterRim
235/75R1831.9″ (-2.7%)18 x n/a
245/75R1832.5″ (-0.9%)18 x 6.5-8.0
255/70R1832.1″ (-2.1%)18 x 6.5-8.5
265/70R1832.6″ (-0.6%)18 x 7.0-9.0
275/65R1832.1″ (-2.1%)18 x 7.5-9.5
275/70R1833.2″ (1.2%)18 x 7.0-8.5
285/65R1832.6″ (-0.6%)18 x 8.0-10.0
285/70R1833.7″ (2.7%)18 x 7.5-9.5
295/65R1833.1″ (0.9%)18 x 8.0-10.0
305/60R1832.4″ (-1.2%)18 x 8.5-11.0
305/65R1833.6″ (2.4%)18 x 8.5-11.0
325/60R1833.4″ (1.8%)18 x 8.5-10.0