How tall is a 275/40R22 tire?

A 275/40R22 has a nominal overall diameter of 30.66 inches (779 mm), calculated as the 22-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 275/40R22 tire fit?

A 275/40R22 fits a wheel of 22 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 275/40R22 mean?

275 is the section width in millimetres. 40 is the aspect ratio — the sidewall is 40% of the width, so 110 mm here. R marks the construction (radial). 22 is the wheel diameter in inches.

Size Dimensions & Specs

Tires Size 275/40R22

Dimensions, specs, and every size 275/40R22 tire currently in stock

Overall Height

30.66"

779 mm · calculated

Section Width

275 mm

10.83 inches

Sidewall Height

4.33"

110 mm · 40% profile

Wheel Diameter

22"

558.8 mm

275/40R22 Specifications

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

Specification	Imperial	Metric
Section width	10.83 in	275 mm
Aspect ratio	40%	—
Sidewall height	4.33 in	110 mm
Overall diameter (calculated)	30.66 in	779 mm
Wheel / rim diameter	22 in	558.8 mm
Construction	Radial	—

What does 275/40R22 mean?

Reading the code on your sidewall

Section width

275 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 110 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 in

Fits a wheel measuring 22 inches across.

275/40R22 Questions & Answers

Dimensions and fitment guidelines for size 275/40R22

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