295/40R22 tire size

A 295/40R22 tire is 31.29 inches (794.8 mm) tall, 11.61 in (295 mm) wide and fits a 22-inch wheel. In inch notation it is roughly a 31.3x11.6R22 — a "31-inch" tire.

295/40R22 dimensions
Overall diameter	31.29 in	794.8 mm
Section width	11.61 in	295 mm
Sidewall height	4.65 in	118.0 mm
Circumference	98.30 in	2,497 mm
Revolutions	644.5 per mile	400.5 per km
Rim diameter	22 in	558.8 mm

Compare 295/40R22 with another size

Current size

New size

Speed in mphkm/h

Overall diameter difference

−1.01%

60 mph on the speedometer = 59.4 mph actual

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

Ground clearance: −4.0 mm (−0.16 in)
Revolutions: 645 → 651 per mile

295/40R22 285/40R22

Side-by-side dimensions

	Current	New	Difference	%
Diameter	31.29 in	30.98 in	−0.31 in	−1.01%
Diameter	794.8 mm	786.8 mm	−8.0 mm	−1.01%
Width	11.61 in	11.22 in	−0.39 in	−3.39%
Width	295.0 mm	285.0 mm	−10.0 mm	−3.39%
Sidewall	4.65 in	4.49 in	−0.16 in	−3.39%
Sidewall	118.0 mm	114.0 mm	−4.0 mm	−3.39%
Circumference	98.30 in	97.32 in	−0.99 in	−1.01%
Revs per mile	644.5	651.1	+6.6	+1.02%

Speedometer error

Speedometer shows	Actual speed	Difference
20 mph	19.8 mph	−0.2 mph
30 mph	29.7 mph	−0.3 mph
40 mph	39.6 mph	−0.4 mph
50 mph	49.5 mph	−0.5 mph
60 mph	59.4 mph	−0.6 mph
70 mph	69.3 mph	−0.7 mph
80 mph	79.2 mph	−0.8 mph

Alternative sizes on the same 22-inch wheel

Sizes in use within ±3 % of the overall diameter of 295/40R22:

Plus and minus sizes for 295/40R22

Size	Wheel	Diameter	Difference
285/50R20	Minus 2 (20 in)	31.22 in	−0.23%
275/50R20	Minus 2 (20 in)	30.83 in	−1.48%
275/55R20	Minus 2 (20 in)	31.91 in	+1.98%
295/45R20	Minus 2 (20 in)	30.45 in	−2.68%
325/40R21	Minus 1 (21 in)	31.24 in	−0.18%
285/45R21	Minus 1 (21 in)	31.10 in	−0.62%
315/40R21	Minus 1 (21 in)	30.92 in	−1.18%
275/50R21	Minus 1 (21 in)	31.83 in	+1.71%
305/35R23	Plus 1 (23 in)	31.41 in	+0.36%
295/35R23	Plus 1 (23 in)	31.13 in	−0.52%
275/40R23	Plus 1 (23 in)	31.66 in	+1.18%
285/35R23	Plus 1 (23 in)	30.85 in	−1.40%

Vehicles approved with 295/40R22 tires

Models whose Swiss type approval lists 295/40R22 as a standard or optional size (104 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 22-inch sizes

Reading the 295/40R22 size

295 — section width in millimetres (11.61 in).
40 — aspect ratio: the sidewall is 40 % of the width, 118.0 mm.
R — radial construction (ZR on the sidewall means a high-speed rated radial; the dimensions are the same).
22 — fits a 22-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.