225/40R16 in Inches

A 225/40R16 tire has a 23.1-inch diameter, a 8.9-inch width, and is designed for a 16-inch rim.

In high flotation terms, this tire is labeled as 23.1x8.9R16.

225/40R16 Tire Size
8.9"
23.1"
225/40R16 Tire Size in Inches
225/40R16 Tire Circumference
72.5"
16"
3.5"
873.6 revs/mile

225/40R16 Tire Overview

Height
23.1 inches
Wheel Diameter
16 inches
Tire Width
8.9 inches
Circumference
72.5 inches
Sidewall Height
3.5 inches
Revolutions
873.6 per mile
Tirelib.com

What does 225/40R16 mean?

225/40R16 tire size meaning in inches

225/40R16 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.
  • 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.
  • 16 is the diameter of the wheel in inches, on which the tire is to be mounted.

225/40R16 Tire Conversion

DimensionsInchesMillimeters
Tire Diameter23.1 in586.4 mm
Section Width8.9 in225 mm
Rim Height16 in406 mm
Sidewall Height3.5 in90 mm
Circumference72.5 in1842.2 mm
Revolutions873.6 revs/mile
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FAQ About 225/40R16 Tire

How tall is a 225/40R16 tire?

The height (or diameter) of a 225/40R16 tire is 23.1 inches

How wide is a 225/40R16 tire?

The width of a 225/40R16 tire is 225 mm, which is about 8.9 inches.

What size rim fits a 225/40R16 tire?

A 225/40R16 tire fits on a rim that is 16 inches in diameter.

What does the 40 in a 225/40R16 tire mean?

The 40 in a 225/40R16 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 40% of its width.


Alternative Tire Sizes for 225/40R16

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 225/40R16:

Tire SizeDiameterRim
125/70R1622.9″ (-0.9%)16 x n/a
135/70R1623.4″ (1.3%)16 x n/a
165/50R1622.5″ (-2.6%)16 x 4.5-6.0
175/50R1622.9″ (-0.9%)16 x 5.0-6.0
175/55R1623.6″ (2.2%)16 x 5.0-6.0
185/50R1623.3″ (0.9%)16 x 5.0-6.5
195/45R1622.9″ (-0.9%)16 x 6.0-7.5
195/50R1623.7″ (2.6%)16 x 5.5-7.0
205/40R1622.5″ (-2.6%)16 x 7.0-8.0
205/45R1623.3″ (0.9%)16 x 6.5-7.5
215/40R1622.8″ (-1.3%)16 x 7.0-8.5
215/45R1623.6″ (2.2%)16 x 7.0-8.0
245/35R1622.8″ (-1.3%)16 x 8.0-9.5
255/35R1623.0″ (-0.4%)16 x 8.5-10.0