How tall is a 385/65R22.5 tire?

A 385/65R22.5 has a nominal overall diameter of 42.2 inches (1072 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 385/65R22.5 tire fit?

A 385/65R22.5 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 385/65R22.5 mean?

385 is the section width in millimetres. 65 is the aspect ratio — the sidewall is 65% of the width, so 250.3 mm here. R marks the construction (radial). 22.5 is the wheel diameter in inches.

Size Dimensions & Specs

Tires Size 385/65R22.5

Dimensions, specs, and every size 385/65R22.5 tire currently in stock

Overall Height

42.2"

1072 mm · calculated

Section Width

385 mm

15.16 inches

Sidewall Height

9.85"

250.3 mm · 65% profile

Wheel Diameter

22.5"

571.5 mm

385/65R22.5 Specifications

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

Specification	Imperial	Metric
Section width	15.16 in	385 mm
Aspect ratio	65%	—
Sidewall height	9.85 in	250.3 mm
Overall diameter (calculated)	42.2 in	1072 mm
Wheel / rim diameter	22.5 in	571.5 mm
Construction	Radial	—

What does 385/65R22.5 mean?

Reading the code on your sidewall

Section width

385 mm

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

Aspect ratio

65% profile

The sidewall stands 65% of the section width, which is 250.3 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.

385/65R22.5 Questions & Answers

Dimensions and fitment guidelines for size 385/65R22.5

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