How tall is a 455/40R22.5 tire?

A 455/40R22.5 has a nominal overall diameter of 36.84 inches (936 mm), calculated as the 22.5-inch wheel plus two sidewalls. This is the unloaded figure — a fitted tire sits fractionally shorter under the weight of the vehicle.

What wheel size does a 455/40R22.5 tire fit?

A 455/40R22.5 fits a wheel of 22.5 inches in diameter. The wheel also has to be within the rim width range the manufacturer publishes for this size, which is printed in the tire's spec sheet.

What do the numbers in 455/40R22.5 mean?

455 is the section width in millimetres. 40 is the aspect ratio — the sidewall is 40% of the width, so 182 mm here. R marks the construction (radial). 22.5 is the wheel diameter in inches.

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Size Dimensions & Specs

Tires Size 455/40R22.5

Dimensions, specs, and every size 455/40R22.5 tire currently in stock

Overall Height

36.84"

936 mm · calculated

Section Width

455 mm

17.91 inches

Sidewall Height

7.17"

182 mm · 40% profile

Wheel Diameter

22.5"

571.5 mm

455/40R22.5 Specifications

Read directly from the size code. Load index, speed rating, and rim width range vary by model.

Specification	Imperial	Metric
Section width	17.91 in	455 mm
Aspect ratio	40%	—
Sidewall height	7.17 in	182 mm
Overall diameter (calculated)	36.84 in	936 mm
Wheel / rim diameter	22.5 in	571.5 mm
Construction	Radial	—

What does 455/40R22.5 mean?

Reading the code on your sidewall

Section width

455 mm

The distance from sidewall to sidewall across the tire's widest point.

Aspect ratio

40% profile

The sidewall stands 40% of the section width, which is 182 mm on this size.

Construction (R)

Radial

The body plies run across the tire at right angles to the direction of travel.

Wheel diameter

22.5 in

Fits a wheel measuring 22.5 inches across.

455/40R22.5 Questions & Answers

Dimensions and fitment guidelines for size 455/40R22.5

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Tires Size 455/40R22.5

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455/40R22.5 Specifications

What does 455/40R22.5 mean?

455 mm

40% profile

Radial

22.5 in

455/40R22.5 Questions & Answers

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