tireheight.com

235/60R15 in inches

A 235/60R15 tire is 26.1″ tall and 9.3″ wide, and fits a 15″ wheel. In inches it is written 26.1×9.3R15.

Diameter26.10″
Width9.25″
Sidewall5.55″
235/60R15 drawn to scale: 26.10 inch diameter, 5.55 inch sidewall, 15 inch wheel, 9.25 inch tread width15″ wheel5.55″26.10″ overall9.25″ wideSide view
Drawn to scale. Nominal dimensions calculated from the size code.
Manufacturer data

How tall 235/60R15 tires really are

Heights published by BFGoodrich for the one tire in this size. Their published revolutions per mile work out to 25.3″ under load (below).

The one tire listed, the BFGoodrich Radial T/A, measures 26.10″: 0.00″ shorter than the size code's 26.10″.

Height under load25.3″

Published revs per mile (797) mean the tire rolls like a 25.3″ tire on the vehicle. Use this for speedometer calibration.

1 tire in 235/60R15

Sort by the spec you care about.

LoadRevs/miSource
BFGoodrich Radial T/APerformanceSL · 98S26.1028.911.01,642797Spec page

Is 235/60R15 a 26-inch tire?

≈26″

Yes. The size code works out to 26.10″, and the 1 tire here publishes 26.10″, so people call it a 26.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

SizeDiameter ″vs 235/60R15Difference
205/65R1525.49-0.61″-2.3%
225/60R1525.63-0.47″-1.8%
195/70R1525.75-0.35″-1.4%
215/65R1526.00-0.10″-0.4%
205/75R1426.11+0.00″+0.0%
215/60R1626.16+0.06″+0.2%
205/70R1526.30+0.20″+0.8%
245/60R1526.57+0.47″+1.8%
295/50R1526.61+0.51″+2.0%
215/70R1526.85+0.75″+2.9%

How to read 235/60R15

How to read any tire size

P235/60R15 98S as printed on the tire sidewall, with each part numberedP235/60R15 98S1234567
How P235/60R15 98S 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.
1PP-metric

Marks a P-metric (passenger) tire. Sizes with no letter are Euro-metric.

2235Section width

235 mm across the widest point, or 9.25 inches. Every 235 size

360Aspect ratio

A percentage, not a measurement: the sidewall is 60% as tall as the tire is wide, which is 141.0 mm or 5.55 inches.

4RConstruction

Radial construction.

515Wheel diameter

Mounts on a 15-inch wheel. Approved wheel widths run 6.5″ to 8.5″.

698Load index

Each tire carries up to 1,653 lb (750 kg) at its maximum pressure.

7SSpeed rating

Rated for up to 112 mph sustained.

SpecificationInchesMetric
Overall diameter26.10663 mm
Section width9.25235 mm
Sidewall height5.55141.0 mm
Circumference82.02,083 mm
Revolutions per mile (calculated, unloaded)772.7480 per km
Revolutions per mile (published by manufacturers)797495 per km
Approved wheel width6.5–8.5165–216 mm

Speedometer error after switching to 235/60R15

Your actual speed– mph

Questions about 235/60R15

What is 235/60R15 in inches?

26.10 inches tall, 9.25 inches wide, on a 15-inch wheel. Written in inches, that is roughly 26.1×9.3R15.

What wheel width do I need for 235/60R15?

Manufacturers approve 6.5–8.5″ wide wheels for this size.

How many revolutions per mile does a 235/60R15 make?

Published figures run 797 revolutions per mile. The calculated figure is 772.7, but manufacturers measure the tire under load, where it rolls on a smaller radius.

How much taller is 235/60R15 than 215/65R15?

0.10 inches taller on paper (26.10″ vs 26.00″), which raises the axle about 0.05″. Your speedometer will read about 0.4% slow.