How tall is a 33x12.50R20LT tire?

A 33x12.50R20LT has a nominal overall diameter of 33 inches (838 mm), calculated as the 20-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 33x12.50R20LT tire fit?

A 33x12.50R20LT fits a wheel of 20 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 33x12.50R20LT mean?

This is a flotation size, quoted in inches rather than millimetres. 33 is the overall diameter, 12.5 is the section width, R marks the construction (radial), and 20 is the wheel diameter.

Free shipping on select tires

Brand-new, never-mounted tires

Ships to your door or installer

Thousands of tires in stock

Free shipping on select tires

Brand-new, never-mounted tires

Ships to your door or installer

Thousands of tires in stock

Size Dimensions & Specs

Tires Size 33x12.50R20LT

Dimensions, specs, and every size 33x12.50R20LT tire currently in stock

Overall Height

33"

838 mm · calculated

Section Width

12.5"

stated in inches

Sidewall Height

6.5"

165 mm

Wheel Diameter

20"

508.0 mm

33x12.50R20LT Specifications

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

Specification	Imperial	Metric
Section width	12.5 in	—
Sidewall height	6.5 in	165 mm
Overall diameter (calculated)	33 in	838 mm
Wheel / rim diameter	20 in	508.0 mm
Construction	Radial	—

What does 33x12.50R20LT mean?

Reading the code on your sidewall

Overall diameter

33 in

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

Section width

12.5 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

20 in

Fits a wheel measuring 20 inches across.

33x12.50R20LT Questions & Answers

Dimensions and fitment guidelines for size 33x12.50R20LT

Customer Support & Fitment Advice

Need Help Choosing The Right Tires?

Have questions about fitment, brands, or pricing? Our team of tire experts is here to guide you to the perfect set — zero pressure, zero sales tactics.

Free Fitment Advice

Talk to a Tire Specialist Today

We make tire buying fast and effortless. Call or email us (Mon – Sat, 9AM – 5PM PT) to check size compatibility, load index, or speed ratings for your vehicle.

Call Direct

(916) 520-1702

Send Email

info@natireshub.com

Mon – Sat, 9AM – 5PM PT

✓

Expert Advice

Reply within 1 business day