175/70R13 tire size

A 175/70R13 tire is 22.65 inches (575.2 mm) tall, 6.89 in (175 mm) wide and fits a 13-inch wheel. In inch notation it is roughly a 22.6x6.9R13.

175/70R13 dimensions
Overall diameter	22.65 in	575.2 mm
Section width	6.89 in	175 mm
Sidewall height	4.82 in	122.5 mm
Circumference	71.14 in	1,807 mm
Revolutions	890.6 per mile	553.4 per km
Rim diameter	13 in	330.2 mm

Compare 175/70R13 with another size

Current size

New size

Speed in mphkm/h

Overall diameter difference

+0.17%

60 mph on the speedometer = 60.1 mph actual

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

Ground clearance: +0.5 mm (+0.02 in)
Revolutions: 891 → 889 per mile

175/70R13 205/60R13

Side-by-side dimensions

	Current	New	Difference	%
Diameter	22.65 in	22.69 in	+0.04 in	+0.17%
Diameter	575.2 mm	576.2 mm	+1.0 mm	+0.17%
Width	6.89 in	8.07 in	+1.18 in	+17.14%
Width	175.0 mm	205.0 mm	+30.0 mm	+17.14%
Sidewall	4.82 in	4.84 in	+0.02 in	+0.41%
Sidewall	122.5 mm	123.0 mm	+0.5 mm	+0.41%
Circumference	71.14 in	71.27 in	+0.12 in	+0.17%
Revs per mile	890.6	889.0	−1.5	−0.17%

Speedometer error

Speedometer shows	Actual speed	Difference
20 mph	20.0 mph	0.0 mph
30 mph	30.1 mph	+0.1 mph
40 mph	40.1 mph	+0.1 mph
50 mph	50.1 mph	+0.1 mph
60 mph	60.1 mph	+0.1 mph
70 mph	70.1 mph	+0.1 mph
80 mph	80.1 mph	+0.1 mph

Alternative sizes on the same 13-inch wheel

Sizes in use within ±3 % of the overall diameter of 175/70R13:

Plus and minus sizes for 175/70R13

Size	Wheel	Diameter	Difference
185/60R14	Plus 1 (14 in)	22.74 in	+0.42%
155/70R14	Plus 1 (14 in)	22.54 in	−0.45%
165/65R14	Plus 1 (14 in)	22.44 in	−0.89%
175/65R14	Plus 1 (14 in)	22.96 in	+1.37%
195/50R15	Plus 2 (15 in)	22.68 in	+0.14%
175/55R15	Plus 2 (15 in)	22.58 in	−0.30%
165/60R15	Plus 2 (15 in)	22.80 in	+0.66%
145/65R15	Plus 2 (15 in)	22.42 in	−0.99%
215/40R16	Plus 3 (16 in)	22.77 in	+0.56%
175/50R16	Plus 3 (16 in)	22.89 in	+1.08%
195/45R16	Plus 3 (16 in)	22.91 in	+1.16%
205/45R16	Plus 3 (16 in)	23.26 in	+2.73%

Vehicles approved with 175/70R13 tires

Models whose Swiss type approval lists 175/70R13 as a standard or optional size (258 approvals in total). Always check your own vehicle's placard or papers.

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 13-inch sizes

Reading the 175/70R13 size

175 — section width in millimetres (6.89 in).
70 — aspect ratio: the sidewall is 70 % of the width, 122.5 mm.
R — radial construction (ZR on the sidewall means a high-speed rated radial; the dimensions are the same).
13 — fits a 13-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.