265/30R18 in Inches

A 265/30R18 tire has a 24.3-inch diameter, a 10.4-inch width, and is designed for a 18-inch rim.

In high flotation terms, this tire is labeled as 24.3x10.4R18.

265/30R18 Tire Size
265/30R18 Tire Size in Inches
265/30R18 Tire Circumference
831.3 revs/mile

265/30R18 Tire Overview

24.3 inches
Wheel Diameter
18 inches
Tire Width
10.4 inches
76.2 inches
Sidewall Height
3.1 inches
831.3 per mile

What does 265/30R18 mean?

265/30R18 tire size meaning in inches

265/30R18 is a tire size with the following dimensions:

  • 265 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.
  • 30 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.

265/30R18 Tire Conversion

Tire Diameter24.3 in616.2 mm
Section Width10.4 in265 mm
Rim Height18 in457 mm
Sidewall Height3.1 in79.5 mm
Circumference76.2 in1935.8 mm
Revolutions831.3 revs/mile
Not the tire size you are searching for? Try our Tire Size Calculator.

FAQ About 265/30R18 Tire

How tall is a 265/30R18 tire?

The height (or diameter) of a 265/30R18 tire is 24.3 inches

How wide is a 265/30R18 tire?

The width of a 265/30R18 tire is 265 mm, which is about 10.4 inches.

What size rim fits a 265/30R18 tire?

A 265/30R18 tire fits on a rim that is 18 inches in diameter.

What does the 30 in a 265/30R18 tire mean?

The 30 in a 265/30R18 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 30% of its width.

Alternative Tire Sizes for 265/30R18

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 265/30R18:

Tire SizeDiameterRim
125/60R1823.9″ (-1.6%)18 x n/a
125/70R1824.9″ (2.5%)18 x n/a
135/60R1824.4″ (0.4%)18 x n/a
175/45R1824.2″ (-0.4%)18 x n/a
205/35R1823.6″ (-2.9%)18 x 7.0-8.0
205/40R1824.5″ (0.8%)18 x 7.0-8.0
215/35R1823.9″ (-1.6%)18 x 7.0-8.5
215/40R1824.8″ (2.1%)18 x 7.0-8.5
225/35R1824.2″ (-0.4%)18 x 7.5-9.0
235/30R1823.6″ (-2.9%)18 x n/a
235/35R1824.5″ (0.8%)18 x 8.0-9.5
245/30R1823.8″ (-2.1%)18 x 8.0-9.0
245/35R1824.8″ (2.1%)18 x 8.0-9.5
255/30R1824.0″ (-1.2%)18 x 8.5-9.5
255/35R1825.0″ (2.9%)18 x 8.5-10.0
285/30R1824.7″ (1.6%)18 x 9.5-10.5
295/30R1825.0″ (2.9%)18 x 10.0-11.0