tireheight.com

32×9.50R15 in inches

A 32×9.50R15 tire is 32.0″ tall and 9.5″ wide, and fits a 15″ wheel.

Diameter32.00″
Width9.50″
Sidewall8.50″
32×9.50R15 drawn to scale: 32.00 inch diameter, 8.50 inch sidewall, 15 inch wheel, 9.50 inch tread width15″ wheel8.50″32.00″ overall9.50″ wideSide view
Drawn to scale. Nominal dimensions calculated from the size code.
Manufacturer data

How tall 32×9.50R15 tires really are

Heights published by Toyo for the one tire in this size. Their published revolutions per mile work out to 30.8″ under load (below).

The one tire listed, the Toyo Open Country SxS, measures 31.77″: 0.23″ shorter than the size code's 32.00″.

Height under load30.8″

Published revs per mile (654) mean the tire rolls like a 30.8″ tire on the vehicle. Use this for speedometer calibration.

1 tire in 32×9.50R15

Sort by the spec you care about.

LoadRevs/miSource
Toyo Open Country SxSLT31.7743.717.61,820654Spec page

Is a 32×9.50R15 really 32 inches tall?

31.8″

Shorter. The name says 32″, and the 1 tire here publishes 31.77″.

All 32-inch tire sizes, on every wheel size.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

SizeDiameter ″vs 32×9.50R15Difference
31×10.50R1531.00-1.00″-3.1%
235/85R1631.73-0.27″-0.8%
32×10.00R1532.000.00″0.0%
32×11.50R1532.000.00″0.0%
32×10.00R1432.000.00″0.0%
33×10.50R1533.00+1.00″+3.1%
33×12.50R1533.00+1.00″+3.1%
33×13.50R1533.00+1.00″+3.1%
33×15.50R1533.00+1.00″+3.1%
33×9.50R1533.00+1.00″+3.1%

How to read 32×9.50R15

How to read any tire size

32X9.50R15LT as printed on the tire sidewall, with each part numbered32X9.50R15LT12345
How 32X9.50R15LT 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.
132Overall diameter

32 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 diameter32.00813 mm
Section width9.50241 mm
Sidewall height8.50215.9 mm
Circumference100.52,553 mm
Revolutions per mile (calculated, unloaded)630.3392 per km
Revolutions per mile (published by manufacturers)654406 per km
Approved wheel width6.0–8.0152–203 mm

Speedometer error after switching to 32×9.50R15

Your actual speed– mph

Questions about 32×9.50R15

What is 32×9.50R15 in inches?

32.00 inches tall, 9.50 inches wide, on a 15-inch wheel. Manufacturers publish 31.77 inches for the 1 tires listed here.

What wheel width do I need for 32×9.50R15?

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

How many revolutions per mile does a 32×9.50R15 make?

Published figures run 654 revolutions per mile. The calculated figure is 630.3, but manufacturers measure the tire under load, where it rolls on a smaller radius.

How much taller is 32×9.50R15 than 31×10.50R15?

1.00 inches taller on paper (32.00″ vs 31.00″), which raises the axle about 0.50″. Your speedometer will read about 3.2% slow.