285/70R15 in Inches

A 285/70R15 tire has a 30.7-inch diameter, a 11.2-inch width, and is designed for a 15-inch rim.

In high flotation terms, this tire is labeled as 30.7x11.2R15.

285/70R15 Tire Size
11.2"
30.7"
285/70R15 Tire Size in Inches
285/70R15 Tire Circumference
96.5"
15"
7.9"
656.8 revs/mile

285/70R15 Tire Overview

Height
30.7 inches
Wheel Diameter
15 inches
Tire Width
11.2 inches
Circumference
96.5 inches
Sidewall Height
7.9 inches
Revolutions
656.8 per mile
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What does 285/70R15 mean?

285/70R15 tire size meaning in inches

285/70R15 is a tire size with the following dimensions:

  • 285 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.
  • 70 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.

285/70R15 Tire Conversion

DimensionsInchesMillimeters
Tire Diameter30.7 in780 mm
Section Width11.2 in285 mm
Rim Height15 in381 mm
Sidewall Height7.9 in199.5 mm
Circumference96.5 in2450.4 mm
Revolutions656.8 revs/mile
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FAQ About 285/70R15 Tire

How tall is a 285/70R15 tire?

The height (or diameter) of a 285/70R15 tire is 30.7 inches

How wide is a 285/70R15 tire?

The width of a 285/70R15 tire is 285 mm, which is about 11.2 inches.

What size rim fits a 285/70R15 tire?

A 285/70R15 tire fits on a rim that is 15 inches in diameter.

What does the 70 in a 285/70R15 tire mean?

The 70 in a 285/70R15 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 70% of its width.


Alternative Tire Sizes for 285/70R15

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 285/70R15:

Tire SizeDiameterRim
235/80R1529.8″ (-2.9%)15 x n/a
255/75R1530.1″ (-2.0%)15 x 6.5-8.5
265/75R1530.6″ (-0.3%)15 x 7.0-9.0
275/70R1530.2″ (-1.6%)15 x n/a
295/65R1530.1″ (-2.0%)15 x 8.0-10.5
315/60R1529.9″ (-2.6%)15 x 8.5-11.0
325/60R1530.4″ (-1.0%)15 x 9.0-11.0
345/55R1529.9″ (-2.6%)15 x 10.5-12.5