225/45R15 in Inches

A 225/45R15 tire has a 23-inch diameter, a 8.9-inch width, and is designed for a 15-inch rim.

In high flotation terms, this tire is labeled as 23x8.9R15.

225/45R15 Tire Size
8.9"
23"
225/45R15 Tire Size in Inches
225/45R15 Tire Circumference
72.2"
15"
4"
877.9 revs/mile

225/45R15 Tire Overview

Height
23 inches
Wheel Diameter
15 inches
Tire Width
8.9 inches
Circumference
72.2 inches
Sidewall Height
4 inches
Revolutions
877.9 per mile
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What does 225/45R15 mean?

225/45R15 tire size meaning in inches

225/45R15 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.
  • 45 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.

225/45R15 Tire Conversion

DimensionsInchesMillimeters
Tire Diameter23 in583.5 mm
Section Width8.9 in225 mm
Rim Height15 in381 mm
Sidewall Height4 in101.3 mm
Circumference72.2 in1833.1 mm
Revolutions877.9 revs/mile
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FAQ About 225/45R15 Tire

How tall is a 225/45R15 tire?

The height (or diameter) of a 225/45R15 tire is 23 inches

How wide is a 225/45R15 tire?

The width of a 225/45R15 tire is 225 mm, which is about 8.9 inches.

What size rim fits a 225/45R15 tire?

A 225/45R15 tire fits on a rim that is 15 inches in diameter.

What does the 45 in a 225/45R15 tire mean?

The 45 in a 225/45R15 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 45% of its width.

Alternative Tire Sizes for 225/45R15

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 225/45R15:

Tire SizeDiameterRim
185/55R1523.0″ (Equal)15 x 5.0-6.5
125/80R1522.9″ (-0.4%)15 x n/a
135/70R1522.4″ (-2.6%)15 x n/a
135/80R1523.5″ (2.2%)15 x 3.5-4.5
145/65R1522.4″ (-2.6%)15 x 4.0-5.0
155/65R1522.9″ (-0.4%)15 x 4.5-5.5
155/70R1523.5″ (2.2%)15 x 4.0-5.0
165/60R1522.8″ (-0.9%)15 x 5.0-6.0
165/65R1523.4″ (1.7%)15 x 4.5-6.0
175/55R1522.6″ (-1.7%)15 x 5.0-6.0
175/60R1523.3″ (1.3%)15 x 5.0-6.0
195/50R1522.7″ (-1.3%)15 x 5.5-7.0
195/55R1523.4″ (1.7%)15 x 5.5-7.0
205/50R1523.1″ (0.4%)15 x 5.5-7.5
215/45R1522.6″ (-1.7%)15 x 7.0-8.0
215/50R1523.5″ (2.2%)15 x 6.0-7.5
235/45R1523.3″ (1.3%)15 x 7.5-9.0
245/40R1522.7″ (-1.3%)15 x 8.0-9.5
275/35R1522.6″ (-1.7%)15 x 9.0-11.0
295/35R1523.1″ (0.4%)15 x n/a