215/85R15 in Inches

A 215/85R15 tire has a 29.4-inch diameter, a 8.5-inch width, and is designed for a 15-inch rim.

In high flotation terms, this tire is labeled as 29.4x8.5R15.

215/85R15 Tire Size
8.5"
29.4"
215/85R15 Tire Size in Inches
215/85R15 Tire Circumference
92.3"
15"
7.2"
686.2 revs/mile

215/85R15 Tire Overview

Height
29.4 inches
Wheel Diameter
15 inches
Tire Width
8.5 inches
Circumference
92.3 inches
Sidewall Height
7.2 inches
Revolutions
686.2 per mile
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What does 215/85R15 mean?

215/85R15 tire size meaning in inches

215/85R15 is a tire size with the following dimensions:

  • 215 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.
  • 85 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.
  • 15 is the diameter of the wheel in inches, on which the tire is to be mounted.

215/85R15 Tire Conversion

DimensionsInchesMillimeters
Tire Diameter29.4 in746.5 mm
Section Width8.5 in215 mm
Rim Height15 in381 mm
Sidewall Height7.2 in182.8 mm
Circumference92.3 in2345.2 mm
Revolutions686.2 revs/mile
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FAQ About 215/85R15 Tire

How tall is a 215/85R15 tire?

The height (or diameter) of a 215/85R15 tire is 29.4 inches

How wide is a 215/85R15 tire?

The width of a 215/85R15 tire is 215 mm, which is about 8.5 inches.

What size rim fits a 215/85R15 tire?

A 215/85R15 tire fits on a rim that is 15 inches in diameter.

What does the 85 in a 215/85R15 tire mean?

The 85 in a 215/85R15 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 85% of its width.


Alternative Tire Sizes for 215/85R15

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 215/85R15:

Tire SizeDiameterRim
205/90R1529.5″ (0.3%)15 x n/a
225/80R1529.2″ (-0.7%)15 x 6.0-7.5
235/75R1528.9″ (-1.7%)15 x 6.0-8.0
235/80R1529.8″ (1.4%)15 x n/a
245/75R1529.5″ (0.3%)15 x n/a
255/70R1529.1″ (-1.0%)15 x 6.5-8.5
255/75R1530.1″ (2.4%)15 x 6.5-8.5
265/70R1529.6″ (0.7%)15 x 7.0-9.0
275/70R1530.2″ (2.7%)15 x n/a
295/60R1528.9″ (-1.7%)15 x 8.0-9.5
295/65R1530.1″ (2.4%)15 x 8.0-10.5
315/60R1529.9″ (1.7%)15 x 8.5-11.0
345/55R1529.9″ (1.7%)15 x 10.5-12.5