44×13.50R20 in inches

A 44×13.50R20 tire is 44.0″ tall and 13.5″ wide, and fits a 20″ wheel.

Diameter44.00″

Width13.50″

Sidewall12.00″

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

Manufacturer data

How tall 44×13.50R20 tires really are

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

The one tire listed, the Mickey Thompson Baja Boss M/T, measures 43.80″: 0.20″ shorter than the size code's 44.00″.

1 tire in 44×13.50R20

Sort by the spec you care about.

	Load					Revs/mi	Source
Mickey Thompson Baja Boss M/TMud-terrain	LT C · 128Q	43.80	111.0	22.0	3,970	–	Spec page

Is a 44×13.50R20 really 44 inches tall?

43.8″

Shorter. The name says 44″, and the 1 tire here publishes 43.80″.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

Size	Diameter ″	vs 44×13.50R20	Difference
42×13.50R20	42.00	-2.00″	-4.5%

How to read 44×13.50R20

How to read any tire size

How 44X13.50R20LT 128Q 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.

144Overall diameter

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

213.50Section width

13.50 inches across the widest point, or 343 mm.

3RConstruction

Radial construction.

420Wheel diameter

Mounts on a 20-inch wheel. Approved wheel widths run 9.0″ to 11.5″.

5LTLight truck

Marks a light truck (LT) tire.

6128Load index

Each tire carries up to 3,970 lb (1,800 kg) at its maximum pressure.

7QSpeed rating

Rated for up to 99 mph sustained.

CLoad range

Printed separately as "LOAD RANGE C": a 6-ply rating, inflated up to 50 psi (standard load-range table). The load range C tires here carry up to 3,970 lb each, as published.

Specification	Inches	Metric
Overall diameter	44.00	1118 mm
Section width	13.50	343 mm
Sidewall height	12.00	304.8 mm
Circumference	138.2	3,511 mm
Revolutions per mile (calculated, unloaded)	458.4	285 per km
Approved wheel width	9.0–11.5	229–292 mm

Speedometer error after switching to 44×13.50R20

Your actual speed– mph

Questions about 44×13.50R20

What is 44×13.50R20 in inches?

44.00 inches tall, 13.50 inches wide, on a 20-inch wheel. Manufacturers publish 43.80 inches for the 1 tires listed here.

What wheel width do I need for 44×13.50R20?

Manufacturers approve 9.0–11.5″ wide wheels for this size.

How much taller is 44×13.50R20 than 42×13.50R20?

2.00 inches taller on paper (44.00″ vs 42.00″), which raises the axle about 1.00″. Your speedometer will read about 4.8% slow.