225/45R13 in Inches

A 225/45R13 tire has a 21-inch diameter, a 8.9-inch width, and is designed for a 13-inch rim.

In high flotation terms, this tire is labeled as 21x8.9R13.

225/45R13 Tire Size
225/45R13 Tire Size in Inches
225/45R13 Tire Circumference
961.6 revs/mile

225/45R13 Tire Overview

21 inches
Wheel Diameter
13 inches
Tire Width
8.9 inches
65.9 inches
Sidewall Height
4 inches
961.6 per mile

What does 225/45R13 mean?

225/45R13 tire size meaning in inches

225/45R13 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.
  • 13 is the diameter of the wheel in inches, on which the tire is to be mounted.

225/45R13 Tire Conversion

Tire Diameter21 in532.7 mm
Section Width8.9 in225 mm
Rim Height13 in330 mm
Sidewall Height4 in101.3 mm
Circumference65.9 in1673.5 mm
Revolutions961.6 revs/mile
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FAQ About 225/45R13 Tire

How tall is a 225/45R13 tire?

The height (or diameter) of a 225/45R13 tire is 21 inches

How wide is a 225/45R13 tire?

The width of a 225/45R13 tire is 225 mm, which is about 8.9 inches.

What size rim fits a 225/45R13 tire?

A 225/45R13 tire fits on a rim that is 13 inches in diameter.

What does the 45 in a 225/45R13 tire mean?

The 45 in a 225/45R13 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 45% of its width.

Alternative Tire Sizes for 225/45R13

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 225/45R13:

Tire SizeDiameterRim
145/70R1321.0″ (Equal)13 x 3.5-5.0
185/55R1321.0″ (Equal)13 x n/a
255/40R1321.0″ (Equal)13 x n/a
125/80R1320.9″ (-0.5%)13 x 3.0-4.0
135/70R1320.4″ (-2.9%)13 x 3.5-4.5
135/80R1321.5″ (2.4%)13 x 3.5-4.5
145/65R1320.4″ (-2.9%)13 x n/a
155/65R1320.9″ (-0.5%)13 x 4.5-5.5
155/70R1321.5″ (2.4%)13 x 4.0-5.0
165/60R1320.8″ (-1.0%)13 x 4.5-6.0
165/65R1321.4″ (1.9%)13 x 4.5-6.0
175/55R1320.6″ (-1.9%)13 x 5.0-6.0
175/60R1321.3″ (1.4%)13 x 5.0-6.0
195/55R1321.4″ (1.9%)13 x 5.5-7.0
205/50R1321.1″ (0.5%)13 x 5.5-7.5
215/50R1321.5″ (2.4%)13 x 5.5-8.5