How tall is a ST165/80D13 tire?

A ST165/80D13 has a nominal overall diameter of 23.4 inches (594 mm), calculated as the 13-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 ST165/80D13 tire fit?

A ST165/80D13 fits a wheel of 13 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 ST165/80D13 mean?

165 is the section width in millimetres. 80 is the aspect ratio — the sidewall is 80% of the width, so 132 mm here. D marks the construction (bias-ply (diagonal)). 13 is the wheel diameter in inches.

Is ST165/80D13 a radial tire?

No. The "D" in ST165/80D13 marks bias-ply (diagonal) construction, not radial. Radial and bias-ply tires should not be mixed on the same axle.

Size Dimensions & Specs

Tires Size ST165/80D13

Dimensions, specs, and every size ST165/80D13 tire currently in stock

Overall Height

23.4"

594 mm · calculated

Section Width

165 mm

6.5 inches

Sidewall Height

5.2"

132 mm · 80% profile

Wheel Diameter

13"

330.2 mm

ST165/80D13 Specifications

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

Specification	Imperial	Metric
Section width	6.5 in	165 mm
Aspect ratio	80%	—
Sidewall height	5.2 in	132 mm
Overall diameter (calculated)	23.4 in	594 mm
Wheel / rim diameter	13 in	330.2 mm
Construction	Bias-ply (diagonal)	—
Service type	Special trailer	—

What does ST165/80D13 mean?

Reading the code on your sidewall

Section width

165 mm

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

Aspect ratio

80% profile

The sidewall stands 80% of the section width, which is 132 mm on this size.

Construction (D)

Bias-ply (diagonal)

The body plies run diagonally rather than radially. Do not mix construction types on one axle.

Wheel diameter

13 in

Fits a wheel measuring 13 inches across.

ST165/80D13 Questions & Answers

Dimensions and fitment guidelines for size ST165/80D13

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