245/50R18 in Inches

A 245/50R18 tire has a 27.6-inch diameter, a 9.6-inch width, and is designed for a 18-inch rim.

In high flotation terms, this tire is labeled as 27.6x9.6R18.

245/50R18 Tire Size
9.6"
27.6"
245/50R18 Tire Size in Inches
245/50R18 Tire Circumference
86.9"
18"
4.8"
729.5 revs/mile

245/50R18 Tire Overview

Height
27.6 inches
Wheel Diameter
18 inches
Tire Width
9.6 inches
Circumference
86.9 inches
Sidewall Height
4.8 inches
Revolutions
729.5 per mile
Tirelib.com

What does 245/50R18 mean?

245/50R18 tire size meaning in inches

245/50R18 is a tire size with the following dimensions:

  • 245 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.

245/50R18 Tire Conversion

DimensionsInchesMillimeters
Tire Diameter27.6 in702.2 mm
Section Width9.6 in245 mm
Rim Height18 in457 mm
Sidewall Height4.8 in122.5 mm
Circumference86.9 in2206 mm
Revolutions729.5 revs/mile
Not the tire size you are searching for? Try our Tire Size Calculator.

FAQ About 245/50R18 Tire

How tall is a 245/50R18 tire?

The height (or diameter) of a 245/50R18 tire is 27.6 inches

How wide is a 245/50R18 tire?

The width of a 245/50R18 tire is 245 mm, which is about 9.6 inches.

What size rim fits a 245/50R18 tire?

A 245/50R18 tire fits on a rim that is 18 inches in diameter.

What does the 50 in a 245/50R18 tire mean?

The 50 in a 245/50R18 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 50% of its width.

Alternative Tire Sizes for 245/50R18

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 245/50R18:

Tire SizeDiameterRim
305/40R1827.6″ (Equal)18 x 10.0-12.0
145/80R1827.1″ (-1.8%)18 x n/a
145/85R1827.7″ (0.4%)18 x n/a
155/80R1827.8″ (0.7%)18 x n/a
155/85R1828.4″ (2.9%)18 x n/a
165/70R1827.1″ (-1.8%)18 x n/a
205/55R1826.9″ (-2.5%)18 x 5.5-7.5
205/60R1827.7″ (0.4%)18 x 5.0-7.5
215/55R1827.3″ (-1.1%)18 x 6.0-7.5
225/50R1826.9″ (-2.5%)18 x 6.0-8.0
225/55R1827.7″ (0.4%)18 x 6.0-8.0
235/50R1827.3″ (-1.1%)18 x 6.5-8.5
235/55R1828.2″ (2.2%)18 x 6.5-8.5
255/45R1827.0″ (-2.2%)18 x 8.0-9.5
255/50R1828.0″ (1.4%)18 x 7.0-9.0
265/45R1827.4″ (-0.7%)18 x 8.5-10.0
265/50R1828.4″ (2.9%)18 x 7.5-9.5
275/45R1827.7″ (0.4%)18 x 8.5-10.5
285/40R1827.0″ (-2.2%)18 x 9.5-11.0
285/45R1828.1″ (1.8%)18 x 9.0-10.5
295/40R1827.3″ (-1.1%)18 x 10.0-11.5
315/40R1827.9″ (1.1%)18 x 10.5-12.5
325/35R1827.0″ (-2.2%)18 x 11.0-13.0
335/35R1827.2″ (-1.4%)18 x n/a
345/35R1827.5″ (-0.4%)18 x 11.5-13.5