205/40R17 in Inches

A 205/40R17 tire has a 23.5-inch diameter, a 8.1-inch width, and is designed for a 17-inch rim.

In high flotation terms, this tire is labeled as 23.5x8.1R17.

205/40R17 Tire Size
205/40R17 Tire Size in Inches
205/40R17 Tire Circumference
859.8 revs/mile

205/40R17 Tire Overview

23.5 inches
Wheel Diameter
17 inches
Tire Width
8.1 inches
73.7 inches
Sidewall Height
3.2 inches
859.8 per mile

What does 205/40R17 mean?

205/40R17 tire size meaning in inches

205/40R17 is a tire size with the following dimensions:

  • 205 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.
  • 40 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.
  • 17 is the diameter of the wheel in inches, on which the tire is to be mounted.

205/40R17 Tire Conversion

Tire Diameter23.5 in595.8 mm
Section Width8.1 in205 mm
Rim Height17 in431 mm
Sidewall Height3.2 in82 mm
Circumference73.7 in1871.8 mm
Revolutions859.8 revs/mile
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FAQ About 205/40R17 Tire

How tall is a 205/40R17 tire?

The height (or diameter) of a 205/40R17 tire is 23.5 inches

How wide is a 205/40R17 tire?

The width of a 205/40R17 tire is 205 mm, which is about 8.1 inches.

What size rim fits a 205/40R17 tire?

A 205/40R17 tire fits on a rim that is 17 inches in diameter.

What does the 40 in a 205/40R17 tire mean?

The 40 in a 205/40R17 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 40% of its width.

Alternative Tire Sizes for 205/40R17

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 205/40R17:

Tire SizeDiameterRim
125/70R1723.9″ (1.7%)17 x n/a
165/45R1722.8″ (-3.0%)17 x n/a
195/40R1723.1″ (-1.7%)17 x 6.5-7.5
195/45R1723.9″ (1.7%)17 x 6.0-7.5
215/35R1722.9″ (-2.6%)17 x 7.0-8.5
215/40R1723.8″ (1.3%)17 x 7.0-8.5
225/35R1723.2″ (-1.3%)17 x 7.5-9.0
225/40R1724.1″ (2.6%)17 x 7.5-9.0
245/35R1723.8″ (1.3%)17 x 8.0-9.5