245/40R17 in Inches

A 245/40R17 tire has a 24.7-inch diameter, a 9.6-inch width, and is designed for a 17-inch rim.

In high flotation terms, this tire is labeled as 24.7x9.6R17.

245/40R17 Tire Size
245/40R17 Tire Size in Inches
245/40R17 Tire Circumference
816 revs/mile

245/40R17 Tire Overview

24.7 inches
Wheel Diameter
17 inches
Tire Width
9.6 inches
77.6 inches
Sidewall Height
3.9 inches
816 per mile

What does 245/40R17 mean?

245/40R17 tire size meaning in inches

245/40R17 is a tire size with the following dimensions:

  • 245 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.

245/40R17 Tire Conversion

Tire Diameter24.7 in627.8 mm
Section Width9.6 in245 mm
Rim Height17 in431 mm
Sidewall Height3.9 in98 mm
Circumference77.6 in1972.3 mm
Revolutions816 revs/mile
Not the tire size you are searching for? Try our Tire Size Calculator.

FAQ About 245/40R17 Tire

How tall is a 245/40R17 tire?

The height (or diameter) of a 245/40R17 tire is 24.7 inches

How wide is a 245/40R17 tire?

The width of a 245/40R17 tire is 245 mm, which is about 9.6 inches.

What size rim fits a 245/40R17 tire?

A 245/40R17 tire fits on a rim that is 17 inches in diameter.

What does the 40 in a 245/40R17 tire mean?

The 40 in a 245/40R17 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 40% of its width.

Alternative Tire Sizes for 245/40R17

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 245/40R17:

Tire SizeDiameterRim
195/50R1724.7″ (Equal)17 x n/a
125/80R1724.9″ (0.8%)17 x 3.0-4.0
135/70R1724.4″ (-1.2%)17 x n/a
145/70R1725.0″ (1.2%)17 x n/a
175/55R1724.6″ (-0.4%)17 x 5.0-6.0
185/50R1724.3″ (-1.6%)17 x 4.5-6.0
195/55R1725.4″ (2.8%)17 x 5.5-7.0
205/45R1724.3″ (-1.6%)17 x 6.5-7.5
205/50R1725.1″ (1.6%)17 x 5.5-7.5
215/45R1724.6″ (-0.4%)17 x 7.0-8.0
225/40R1724.1″ (-2.4%)17 x 7.5-9.0
225/45R1725.0″ (1.2%)17 x 7.0-8.5
235/40R1724.4″ (-1.2%)17 x 8.0-9.5
235/45R1725.3″ (2.4%)17 x 7.5-9.0
255/40R1725.0″ (1.2%)17 x 8.5-10.0
265/35R1724.3″ (-1.6%)17 x 9.0-10.5
265/40R1725.3″ (2.4%)17 x 9.0-10.5
275/35R1724.6″ (-0.4%)17 x 9.0-11.0
285/35R1724.9″ (0.8%)17 x n/a
295/35R1725.1″ (1.6%)17 x n/a
305/35R1725.4″ (2.8%)17 x n/a