How tall is a 255/30ZR24 tire?

A 255/30ZR24 has a nominal overall diameter of 30.02 inches (763 mm), calculated as the 24-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 255/30ZR24 tire fit?

A 255/30ZR24 fits a wheel of 24 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 255/30ZR24 mean?

255 is the section width in millimetres. 30 is the aspect ratio — the sidewall is 30% of the width, so 76.5 mm here. ZR marks the construction (radial). 24 is the wheel diameter in inches.

Size Dimensions & Specs

Tires Size 255/30ZR24

Dimensions, specs, and every size 255/30ZR24 tire currently in stock

Overall Height

30.02"

763 mm · calculated

Section Width

255 mm

10.04 inches

Sidewall Height

3.01"

76.5 mm · 30% profile

Wheel Diameter

24"

609.6 mm

255/30ZR24 Specifications

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

Specification	Imperial	Metric
Section width	10.04 in	255 mm
Aspect ratio	30%	—
Sidewall height	3.01 in	76.5 mm
Overall diameter (calculated)	30.02 in	763 mm
Wheel / rim diameter	24 in	609.6 mm
Construction	Radial	—

What does 255/30ZR24 mean?

Reading the code on your sidewall

Section width

255 mm

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

Aspect ratio

30% profile

The sidewall stands 30% of the section width, which is 76.5 mm on this size.

Construction (ZR)

Radial

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

Wheel diameter

24 in

Fits a wheel measuring 24 inches across.

255/30ZR24 Questions & Answers

Dimensions and fitment guidelines for size 255/30ZR24

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