33×15.50R15 in inches

A 33×15.50R15 tire is 33.0″ tall and 15.5″ wide, and fits a 15″ wheel.

Diameter33.00″

Width15.50″

Sidewall9.00″

Drawn to scale. Nominal dimensions calculated from the size code.

Manufacturer data

How tall 33×15.50R15 tires really are

Heights published by Mickey Thompson for the one tire in this size.

The one tire listed, the Mickey Thompson Baja Belted II, measures 32.80″: 0.20″ shorter than the size code's 33.00″.

1 tire in 33×15.50R15

Sort by the spec you care about.

	Load					Revs/mi	Source
Mickey Thompson Baja Belted II	LT D · 120P	32.80	–	18.5	3,085	–	Spec page

Is a 33×15.50R15 really 33 inches tall?

32.8″

Shorter. The name says 33″, and the 1 tire here publishes 32.80″.

All 33-inch tire sizes, on every wheel size.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

Size	Diameter ″	vs 33×15.50R15	Difference
32×10.00R15	32.00	-1.00″	-3.0%
32×11.50R15	32.00	-1.00″	-3.0%
305/70R16	32.81	-0.19″	-0.6%
285/75R16	32.83	-0.17″	-0.5%
33×10.50R15	33.00	0.00″	0.0%
33×12.50R15	33.00	0.00″	0.0%
33×13.50R15	33.00	0.00″	0.0%
33×9.50R15	33.00	0.00″	0.0%
33×15.50R16	33.00	0.00″	0.0%
255/85R16	33.07	+0.07″	+0.2%

How to read 33×15.50R15

How to read any tire size

How 33X15.50R15LT 120P is printed on the sidewall. It's the most common code among the 1 tire here; tires in this size come in other load and speed ratings too.

133Overall diameter

33 inches tall, measured on the approved wheel. Flotation sizes give every number in inches.

215.50Section width

15.50 inches across the widest point, or 394 mm.

3RConstruction

Radial construction.

415Wheel diameter

Mounts on a 15-inch wheel. Approved wheel widths run 11.0″ to 14.0″.

5LTLight truck

Marks a light truck (LT) tire.

6120Load index

Each tire carries up to 3,085 lb (1,400 kg) at its maximum pressure.

7PSpeed rating

Rated for up to 93 mph sustained.

DLoad range

Printed separately as "LOAD RANGE D": a 8-ply rating, inflated up to 65 psi (standard load-range table). The load range D tires here carry up to 3,085 lb each, as published.

Specification	Inches	Metric
Overall diameter	33.00	838 mm
Section width	15.50	394 mm
Sidewall height	9.00	228.6 mm
Circumference	103.7	2,633 mm
Revolutions per mile (calculated, unloaded)	611.2	380 per km
Approved wheel width	11.0–14.0	279–356 mm

Speedometer error after switching to 33×15.50R15

Your actual speed– mph

Questions about 33×15.50R15

What is 33×15.50R15 in inches?

33.00 inches tall, 15.50 inches wide, on a 15-inch wheel. Manufacturers publish 32.80 inches for the 1 tires listed here.

What wheel width do I need for 33×15.50R15?

Manufacturers approve 11.0–14.0″ wide wheels for this size.

How much taller is 33×15.50R15 than 32×11.50R15?

1.00 inches taller on paper (33.00″ vs 32.00″), which raises the axle about 0.50″. Your speedometer will read about 3.1% slow.