tireheight.com

33×9.50R15 in inches

A 33×9.50R15 tire is 33.0″ tall and 9.5″ wide, and fits a 15″ wheel.

Diameter33.00″
Width9.50″
Sidewall9.00″
33×9.50R15 drawn to scale: 33.00 inch diameter, 9.00 inch sidewall, 15 inch wheel, 9.50 inch tread width15″ wheel9.00″33.00″ overall9.50″ wideSide view
Drawn to scale. Nominal dimensions calculated from the size code.
Manufacturer data

How tall 33×9.50R15 tires really are

Heights published by Toyo for the one tire in this size. Their published revolutions per mile work out to 31.6″ under load (below).

The one tire listed, the Toyo Open Country SxS, measures 32.52″: 0.48″ shorter than the size code's 33.00″.

Height under load31.6″

Published revs per mile (639) mean the tire rolls like a 31.6″ tire on the vehicle. Use this for speedometer calibration.

1 tire in 33×9.50R15

Sort by the spec you care about.

LoadRevs/miSource
Toyo Open Country SxSLT32.5247.617.61,985639Spec page

Is a 33×9.50R15 really 33 inches tall?

32.5″

Shorter. The name says 33″, and the 1 tire here publishes 32.52″.

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

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

SizeDiameter ″vs 33×9.50R15Difference
32×10.00R1532.00-1.00″-3.0%
32×11.50R1532.00-1.00″-3.0%
305/70R1632.81-0.19″-0.6%
285/75R1632.83-0.17″-0.5%
33×10.50R1533.000.00″0.0%
33×12.50R1533.000.00″0.0%
33×13.50R1533.000.00″0.0%
33×15.50R1533.000.00″0.0%
33×15.50R1633.000.00″0.0%
255/85R1633.07+0.07″+0.2%

How to read 33×9.50R15

How to read any tire size

33X9.50R15LT as printed on the tire sidewall, with each part numbered33X9.50R15LT12345
How 33X9.50R15LT 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.

29.50Section width

9.50 inches across the widest point, or 241 mm.

3RConstruction

Radial construction.

415Wheel diameter

Mounts on a 15-inch wheel. Approved wheel widths run 6.0″ to 8.0″.

5LTLight truck

Marks a light truck (LT) tire.

SpecificationInchesMetric
Overall diameter33.00838 mm
Section width9.50241 mm
Sidewall height9.00228.6 mm
Circumference103.72,633 mm
Revolutions per mile (calculated, unloaded)611.2380 per km
Revolutions per mile (published by manufacturers)639397 per km
Approved wheel width6.0–8.0152–203 mm

Speedometer error after switching to 33×9.50R15

Your actual speed– mph

Questions about 33×9.50R15

What is 33×9.50R15 in inches?

33.00 inches tall, 9.50 inches wide, on a 15-inch wheel. Manufacturers publish 32.52 inches for the 1 tires listed here.

What wheel width do I need for 33×9.50R15?

Manufacturers approve 6.0–8.0″ wide wheels for this size.

How many revolutions per mile does a 33×9.50R15 make?

Published figures run 639 revolutions per mile. The calculated figure is 611.2, but manufacturers measure the tire under load, where it rolls on a smaller radius.

How much taller is 33×9.50R15 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.