145/65R15 tire size
A 145/65R15 tire is 22.42 inches (569.5 mm) tall, 5.71 in (145 mm) wide and fits a 15-inch wheel. In inch notation it is roughly a 22.4x5.7R15.
| Overall diameter | 22.42 in | 569.5 mm |
|---|---|---|
| Section width | 5.71 in | 145 mm |
| Sidewall height | 3.71 in | 94.3 mm |
| Circumference | 70.44 in | 1,789 mm |
| Revolutions | 899.5 per mile | 558.9 per km |
| Rim diameter | 15 in | 381.0 mm |
Compare 145/65R15 with another size
Alternative sizes on the same 15-inch wheel
Sizes in use within ±3 % of the overall diameter of 145/65R15:
Plus and minus sizes for 145/65R15
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 175/70R13 | Minus 2 (13 in) | 22.65 in | +1.00% |
| 145/80R13 | Minus 2 (13 in) | 22.13 in | −1.28% |
| 165/70R13 | Minus 2 (13 in) | 22.09 in | −1.46% |
| 155/80R13 | Minus 2 (13 in) | 22.76 in | +1.53% |
| 165/65R14 | Minus 1 (14 in) | 22.44 in | +0.11% |
| 155/70R14 | Minus 1 (14 in) | 22.54 in | +0.54% |
| 175/60R14 | Minus 1 (14 in) | 22.27 in | −0.68% |
| 185/60R14 | Minus 1 (14 in) | 22.74 in | +1.42% |
| 175/50R16 | Plus 1 (16 in) | 22.89 in | +2.09% |
| 195/45R16 | Plus 1 (16 in) | 22.91 in | +2.18% |
Vehicles approved with 145/65R15 tires
Models whose Swiss type approval lists 145/65R15 as a standard or optional size (33 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 15-inch sizes
Reading the 145/65R15 size
- 145 — section width in millimetres (5.71 in).
- 65 — aspect ratio: the sidewall is 65 % of the width, 94.3 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.