How tall is a 30x10.00R15 tire?

A 30x10.00R15 has a nominal overall diameter of 30 inches (762 mm), calculated as the 15-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 30x10.00R15 tire fit?

A 30x10.00R15 fits a wheel of 15 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 30x10.00R15 mean?

This is a flotation size, quoted in inches rather than millimetres. 30 is the overall diameter, 10 is the section width, R marks the construction (radial), and 15 is the wheel diameter.

Size Dimensions & Specs

Tires Size 30x10.00R15

Dimensions, specs, and every size 30x10.00R15 tire currently in stock

Overall Height

30"

762 mm · calculated

Section Width

10"

stated in inches

Sidewall Height

7.5"

191 mm

Wheel Diameter

15"

381.0 mm

30x10.00R15 Specifications

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

Specification	Imperial	Metric
Section width	10 in	—
Sidewall height	7.5 in	191 mm
Overall diameter (calculated)	30 in	762 mm
Wheel / rim diameter	15 in	381.0 mm
Construction	Radial	—

What does 30x10.00R15 mean?

Reading the code on your sidewall

Overall diameter

30 in

Flotation sizes lead with the tire's full height in inches rather than a width in millimetres.

Section width

10 in

The width across the widest point of the tire, also quoted in inches on this style of size.

Construction (R)

Radial

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

Wheel diameter

15 in

Fits a wheel measuring 15 inches across.

30x10.00R15 Questions & Answers

Dimensions and fitment guidelines for size 30x10.00R15

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