205/60R15 in inches

A 205/60R15 tire is 24.7″ tall and 8.1″ wide, and fits a 15″ wheel. In inches it is written 24.7×8.1R15.

Diameter24.69″

Width8.07″

Sidewall4.84″

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

Manufacturer data

How tall 205/60R15 tires really are

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

Real 205/60R15 tires measure 24.69–24.70″, against 24.69″ from the size code. They run both taller and shorter than the size code.

Height under load24.0″

Published revs per mile (842) mean the tire rolls like a 24.0″ tire on the vehicle. Use this for speedometer calibration.

Weight spread18.7–24.6 lb

The lightest (General AltiMAX RT45, SL) is 5.9 lb lighter per corner than the heaviest (BFGoodrich Radial T/A, SL).

3 tires in 205/60R15

Sort by the spec you care about.

	Load					Revs/mi	Source
General AltiMAX RT45Touring	SL · 91H	24.70	18.7	11.0	1,356	842	Spec page
BFGoodrich Advantage ControlAll-season	SL · 91H	24.69	21.6	11.5	1,356	842	Spec page
BFGoodrich Radial T/APerformance	SL · 90S	24.69	24.6	11.0	1,301	842	Spec page

Is 205/60R15 a 25-inch tire?

≈25″

Yes. The size code works out to 24.69″, and the 3 tires here publish 24.69–24.70″, so people call it a 25.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

Size	Diameter ″	vs 205/60R15	Difference
175/65R15	23.96	-0.73″	-3.0%
195/60R15	24.21	-0.47″	-1.9%
235/50R15	24.25	-0.43″	-1.8%
185/65R15	24.47	-0.22″	-0.9%
225/60R14	24.63	-0.06″	-0.2%
245/45R16	24.68	-0.00″	-0.0%
185/60R16	24.74	+0.06″	+0.2%
195/65R15	24.98	+0.30″	+1.2%
215/60R15	25.16	+0.47″	+1.9%
205/65R15	25.49	+0.81″	+3.3%

How to read 205/60R15

How to read any tire size

How 205/60R15 91H is printed on the sidewall. It's the most common code among the 3 tires here (2 of them); tires in this size come in other load and speed ratings too.

1205Section width

205 mm across the widest point, or 8.07 inches. Every 205 size

260Aspect ratio

A percentage, not a measurement: the sidewall is 60% as tall as the tire is wide, which is 123.0 mm or 4.84 inches.

3RConstruction

Radial construction.

415Wheel diameter

Mounts on a 15-inch wheel. Approved wheel widths run 5.5″ to 7.5″.

591Load index

Each tire carries up to 1,356 lb (615 kg) at its maximum pressure.

6HSpeed rating

Rated for up to 130 mph sustained.

Specification	Inches	Metric
Overall diameter	24.69	627 mm
Section width	8.07	205 mm
Sidewall height	4.84	123.0 mm
Circumference	77.6	1,970 mm
Revolutions per mile (calculated, unloaded)	817.0	508 per km
Revolutions per mile (published by manufacturers)	842	523 per km
Approved wheel width	5.5–7.5	140–191 mm

Speedometer error after switching to 205/60R15

Your actual speed– mph

Questions about 205/60R15

What is 205/60R15 in inches?

24.69 inches tall, 8.07 inches wide, on a 15-inch wheel. Written in inches, that is roughly 24.7×8.1R15.

How much does a 205/60R15 tire weigh?

Between 18.7 lb and 24.6 lb for the 3 tires listed here. The lightest is the General AltiMAX RT45 (SL); the heaviest is the BFGoodrich Radial T/A (SL).

What wheel width do I need for 205/60R15?

Manufacturers approve 5.5–7.5″ wide wheels for this size.

How many revolutions per mile does a 205/60R15 make?

Published figures run 842 revolutions per mile. The calculated figure is 817.0, but manufacturers measure the tire under load, where it rolls on a smaller radius.

How much taller is 205/60R15 than 185/65R15?

0.22 inches taller on paper (24.69″ vs 24.47″), which raises the axle about 0.11″. Your speedometer will read about 0.9% slow.