225/55R15 in Inches

A 225/55R15 tire has a 24.7-inch diameter, a 8.9-inch width, and is designed for a 15-inch rim.

In high flotation terms, this tire is labeled as 24.7x8.9R15.

225/55R15 Tire Size
8.9"
24.7"
225/55R15 Tire Size in Inches
225/55R15 Tire Circumference
77.7"
15"
4.9"
815.1 revs/mile

225/55R15 Tire Overview

Height
24.7 inches
Wheel Diameter
15 inches
Tire Width
8.9 inches
Circumference
77.7 inches
Sidewall Height
4.9 inches
Revolutions
815.1 per mile
Tirelib.com

What does 225/55R15 mean?

225/55R15 tire size meaning in inches

225/55R15 is a tire size with the following dimensions:

  • 225 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.
  • 55 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.

225/55R15 Tire Conversion

DimensionsInchesMillimeters
Tire Diameter24.7 in628.5 mm
Section Width8.9 in225 mm
Rim Height15 in381 mm
Sidewall Height4.9 in123.8 mm
Circumference77.7 in1974.5 mm
Revolutions815.1 revs/mile
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FAQ About 225/55R15 Tire

How tall is a 225/55R15 tire?

The height (or diameter) of a 225/55R15 tire is 24.7 inches

How wide is a 225/55R15 tire?

The width of a 225/55R15 tire is 225 mm, which is about 8.9 inches.

What size rim fits a 225/55R15 tire?

A 225/55R15 tire fits on a rim that is 15 inches in diameter.

What does the 55 in a 225/55R15 tire mean?

The 55 in a 225/55R15 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 55% of its width.

Alternative Tire Sizes for 225/55R15

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 225/55R15:

Tire SizeDiameterRim
205/60R1524.7″ (Equal)15 x 5.5-7.0
135/90R1524.6″ (-0.4%)15 x n/a
155/80R1524.8″ (0.4%)15 x 4.0-5.0
165/80R1525.4″ (2.8%)15 x 4.0-5.5
175/65R1524.0″ (-2.8%)15 x 5.0-6.0
175/70R1524.6″ (-0.4%)15 x 4.5-6.0
175/75R1525.3″ (2.4%)15 x 4.5-6.0
185/65R1524.5″ (-0.8%)15 x 5.0-6.5
185/70R1525.2″ (2.0%)15 x 4.5-6.0
195/60R1524.2″ (-2.0%)15 x 5.5-7.0
195/65R1525.0″ (1.2%)15 x 5.5-7.0
215/55R1524.3″ (-1.6%)15 x 6.0-7.5
215/60R1525.2″ (2.0%)15 x 6.0-7.5
235/50R1524.3″ (-1.6%)15 x 6.5-8.5
235/55R1525.2″ (2.0%)15 x 6.5-8.5
245/50R1524.6″ (-0.4%)15 x 6.5-7.5
255/45R1524.0″ (-2.8%)15 x 8.0-9.5
265/50R1525.4″ (2.8%)15 x 7.5-9.5
285/40R1524.0″ (-2.8%)15 x 9.5-11.0
345/35R1524.5″ (-0.8%)15 x 11.5-13.5