tireheight.com

185/60R16 in inches

A 185/60R16 tire is 24.7″ tall and 7.3″ wide, and fits a 16″ wheel. In inches it is written 24.7×7.3R16.

Diameter24.74″
Width7.28″
Sidewall4.37″
185/60R16 drawn to scale: 24.74 inch diameter, 4.37 inch sidewall, 16 inch wheel, 7.28 inch tread width16″ wheel4.37″24.74″ overall7.28″ wideSide view
Drawn to scale. Nominal dimensions calculated from the size code.
Manufacturer data

How tall 185/60R16 tires really are

Heights published by General and Toyo for all 3 tires in this size. Their published revolutions per mile work out to 24.0″ under load (below).

Real 185/60R16 tires measure 24.70–24.72″, against 24.74″ from the size code. They run both taller and shorter than the size code.

Height under load24.0″

Published revs per mile (840) mean the tire rolls like a 24.0″ tire on the vehicle. Use this for speedometer calibration.

Weight spread15.9–20.0 lb

The lightest (Toyo Extensa A/S II, SL) is 4.1 lb lighter per corner than the heaviest (Toyo Celsius II, SL).

3 tires in 185/60R16

Sort by the spec you care about.

LoadRevs/miSource
Toyo Extensa A/S IIAll-seasonSL · 86H24.7215.911.01,168840Spec page
General AltiMAX RT45TouringSL · 86H24.7016.511.01,168840Spec page
Toyo Celsius IITouringSL · 86H24.7220.011.01,168840Spec page

Is 185/60R16 a 25-inch tire?

≈25″

Yes. The size code works out to 24.74″, and the 3 tires here publish 24.70–24.72″, so people call it a 25.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

SizeDiameter ″vs 185/60R16Difference
225/45R1623.97-0.77″-3.1%
185/55R1624.01-0.73″-2.9%
205/50R1624.07-0.67″-2.7%
195/55R1624.44-0.30″-1.2%
245/45R1624.68-0.06″-0.2%
245/40R1724.72-0.02″-0.1%
225/50R1624.86+0.12″+0.5%
205/55R1624.88+0.14″+0.6%
195/60R1625.21+0.47″+1.9%
215/55R1625.31+0.57″+2.3%

How to read 185/60R16

How to read any tire size

185/60R16 86H as printed on the tire sidewall, with each part numbered185/60R16 86H123456
How 185/60R16 86H is printed on the sidewall. It's the most common code among the 3 tires here; tires in this size come in other load and speed ratings too.
1185Section width

185 mm across the widest point, or 7.28 inches. Every 185 size

260Aspect ratio

A percentage, not a measurement: the sidewall is 60% as tall as the tire is wide, which is 111.0 mm or 4.37 inches.

3RConstruction

Radial construction.

416Wheel diameter

Mounts on a 16-inch wheel. Approved wheel widths run 5.0″ to 6.5″.

586Load index

Each tire carries up to 1,168 lb (530 kg) at its maximum pressure.

6HSpeed rating

Rated for up to 130 mph sustained.

SpecificationInchesMetric
Overall diameter24.74628 mm
Section width7.28185 mm
Sidewall height4.37111.0 mm
Circumference77.71,974 mm
Revolutions per mile (calculated, unloaded)815.2507 per km
Revolutions per mile (published by manufacturers)840522 per km
Approved wheel width5.0–6.5127–165 mm

Speedometer error after switching to 185/60R16

Your actual speed– mph

Questions about 185/60R16

What is 185/60R16 in inches?

24.74 inches tall, 7.28 inches wide, on a 16-inch wheel. Written in inches, that is roughly 24.7×7.3R16.

How much does a 185/60R16 tire weigh?

Between 15.9 lb and 20.0 lb for the 3 tires listed here. The lightest is the Toyo Extensa A/S II (SL); the heaviest is the Toyo Celsius II (SL).

What wheel width do I need for 185/60R16?

Manufacturers approve 5.0–6.5″ wide wheels for this size.

How many revolutions per mile does a 185/60R16 make?

Published figures run 840 revolutions per mile. The calculated figure is 815.2, but manufacturers measure the tire under load, where it rolls on a smaller radius.

How much taller is 185/60R16 than 245/45R16?

0.06 inches taller on paper (24.74″ vs 24.68″), which raises the axle about 0.03″. Your speedometer will read about 0.2% slow.