265/65R18 in Inches

A 265/65R18 tire has a 31.6-inch diameter, a 10.4-inch width, and is designed for a 18-inch rim.

In high flotation terms, this tire is labeled as 31.6x10.4R18.

265/65R18 Tire Size
10.4"
31.6"
265/65R18 Tire Size in Inches
265/65R18 Tire Circumference
99.2"
18"
6.8"
639 revs/mile

265/65R18 Tire Overview

Height
31.6 inches
Wheel Diameter
18 inches
Tire Width
10.4 inches
Circumference
99.2 inches
Sidewall Height
6.8 inches
Revolutions
639 per mile
Tirelib.com

What does 265/65R18 mean?

265/65R18 tire size meaning in inches

265/65R18 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.
  • 65 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.

265/65R18 Tire Conversion

DimensionsInchesMillimeters
Tire Diameter31.6 in801.7 mm
Section Width10.4 in265 mm
Rim Height18 in457 mm
Sidewall Height6.8 in172.3 mm
Circumference99.2 in2518.6 mm
Revolutions639 revs/mile
Not the tire size you are searching for? Try our Tire Size Calculator.

FAQ About 265/65R18 Tire

How tall is a 265/65R18 tire?

The height (or diameter) of a 265/65R18 tire is 31.6 inches

How wide is a 265/65R18 tire?

The width of a 265/65R18 tire is 265 mm, which is about 10.4 inches.

What size rim fits a 265/65R18 tire?

A 265/65R18 tire fits on a rim that is 18 inches in diameter.

What does the 65 in a 265/65R18 tire mean?

The 65 in a 265/65R18 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 65% of its width.


Alternative Tire Sizes for 265/65R18

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 265/65R18:

Tire SizeDiameterRim
225/75R1831.3″ (-0.9%)18 x n/a
235/70R1831.0″ (-1.9%)18 x 6.5-8.5
235/75R1831.9″ (0.9%)18 x n/a
245/70R1831.5″ (-0.3%)18 x n/a
245/75R1832.5″ (2.8%)18 x 6.5-8.0
255/65R1831.1″ (-1.6%)18 x 7.0-9.0
255/70R1832.1″ (1.6%)18 x 6.5-8.5
275/60R1831.0″ (-1.9%)18 x 7.5-9.5
275/65R1832.1″ (1.6%)18 x 7.5-9.5
285/60R1831.5″ (-0.3%)18 x 8.0-10.0
305/60R1832.4″ (2.5%)18 x 8.5-11.0