225/60R15 tire size

A 225/60R15 tire is 25.63 inches (651.0 mm) tall, 8.86 in (225 mm) wide and fits a 15-inch wheel. In inch notation it is roughly a 25.6x8.9R15.

225/60R15 dimensions
Overall diameter	25.63 in	651.0 mm
Section width	8.86 in	225 mm
Sidewall height	5.31 in	135.0 mm
Circumference	80.52 in	2,045 mm
Revolutions	786.9 per mile	489.0 per km
Rim diameter	15 in	381.0 mm

Compare 225/60R15 with another size

Current size

New size

Speed in mphkm/h

Overall diameter difference

+0.46%

60 mph on the speedometer = 60.3 mph actual

Within the ±3 % diameter range most tire fitters accept.

Ground clearance: +1.5 mm (+0.06 in)
Revolutions: 787 → 783 per mile

225/60R15 195/70R15

Side-by-side dimensions

	Current	New	Difference	%
Diameter	25.63 in	25.75 in	+0.12 in	+0.46%
Diameter	651.0 mm	654.0 mm	+3.0 mm	+0.46%
Width	8.86 in	7.68 in	−1.18 in	−13.33%
Width	225.0 mm	195.0 mm	−30.0 mm	−13.33%
Sidewall	5.31 in	5.37 in	+0.06 in	+1.11%
Sidewall	135.0 mm	136.5 mm	+1.5 mm	+1.11%
Circumference	80.52 in	80.89 in	+0.37 in	+0.46%
Revs per mile	786.9	783.3	−3.6	−0.46%

Speedometer error

Speedometer shows	Actual speed	Difference
20 mph	20.1 mph	+0.1 mph
30 mph	30.1 mph	+0.1 mph
40 mph	40.2 mph	+0.2 mph
50 mph	50.2 mph	+0.2 mph
60 mph	60.3 mph	+0.3 mph
70 mph	70.3 mph	+0.3 mph
80 mph	80.4 mph	+0.4 mph

Alternative sizes on the same 15-inch wheel

Sizes in use within ±3 % of the overall diameter of 225/60R15:

Plus and minus sizes for 225/60R15

Size	Wheel	Diameter	Difference
205/70R14	Minus 1 (14 in)	25.30 in	−1.29%
245/50R16	Plus 1 (16 in)	25.65 in	+0.06%
205/60R16	Plus 1 (16 in)	25.69 in	+0.22%
225/55R16	Plus 1 (16 in)	25.74 in	+0.45%
215/55R16	Plus 1 (16 in)	25.31 in	−1.24%
275/40R17	Plus 2 (17 in)	25.66 in	+0.12%
245/45R17	Plus 2 (17 in)	25.68 in	+0.20%
215/50R17	Plus 2 (17 in)	25.46 in	−0.65%
195/55R17	Plus 2 (17 in)	25.44 in	−0.72%
215/45R18	Plus 3 (18 in)	25.62 in	−0.05%
275/35R18	Plus 3 (18 in)	25.58 in	−0.20%
245/40R18	Plus 3 (18 in)	25.72 in	+0.34%
235/40R18	Plus 3 (18 in)	25.40 in	−0.89%

Vehicles approved with 225/60R15 tires

Models whose Swiss type approval lists 225/60R15 as a standard or optional size (43 approvals in total). Always check your own vehicle's placard or papers.

BMW 5 Series

Source: Swiss Federal Roads Office (FEDRO/ASTRA), open government data. Original data (downloaded 2026-09-29). Data processed by us; errors in processing are ours, not the publisher's.

Nearby 15-inch sizes

Reading the 225/60R15 size

225 — section width in millimetres (8.86 in).
60 — aspect ratio: the sidewall is 60 % of the width, 135.0 mm.
R — radial construction (ZR on the sidewall means a high-speed rated radial; the dimensions are the same).
15 — fits a 15-inch diameter wheel.

The load index and speed rating (for example 91V) follow the size on the sidewall. They must meet at least the values on your vehicle's tire placard.