245/60R18 tire size
A 245/60R18 tire is 29.57 inches (751.2 mm) tall, 9.65 in (245 mm) wide and fits a 18-inch wheel. In inch notation it is roughly a 29.6x9.6R18 — a "30-inch" tire.
| Overall diameter | 29.57 in | 751.2 mm |
|---|---|---|
| Section width | 9.65 in | 245 mm |
| Sidewall height | 5.79 in | 147.0 mm |
| Circumference | 92.91 in | 2,360 mm |
| Revolutions | 681.9 per mile | 423.7 per km |
| Rim diameter | 18 in | 457.2 mm |
Compare 245/60R18 with another size
Alternative sizes on the same 18-inch wheel
Sizes in use within ±3 % of the overall diameter of 245/60R18:
Plus and minus sizes for 245/60R18
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 215/80R16 | Minus 2 (16 in) | 29.54 in | −0.11% |
| 245/70R16 | Minus 2 (16 in) | 29.50 in | −0.24% |
| 225/75R16 | Minus 2 (16 in) | 29.29 in | −0.97% |
| 235/75R16 | Minus 2 (16 in) | 29.88 in | +1.03% |
| 245/65R17 | Minus 1 (17 in) | 29.54 in | −0.12% |
| 225/70R17 | Minus 1 (17 in) | 29.40 in | −0.59% |
| 235/70R17 | Minus 1 (17 in) | 29.95 in | +1.28% |
| 255/65R17 | Minus 1 (17 in) | 30.05 in | +1.61% |
| 295/45R19 | Plus 1 (19 in) | 29.45 in | −0.41% |
| 265/50R19 | Plus 1 (19 in) | 29.43 in | −0.48% |
| 275/50R19 | Plus 1 (19 in) | 29.83 in | +0.85% |
| 235/55R19 | Plus 1 (19 in) | 29.18 in | −1.34% |
| 245/50R20 | Plus 2 (20 in) | 29.65 in | +0.24% |
| 275/45R20 | Plus 2 (20 in) | 29.74 in | +0.57% |
| 265/45R20 | Plus 2 (20 in) | 29.39 in | −0.63% |
| 295/40R20 | Plus 2 (20 in) | 29.29 in | −0.96% |
| 275/40R21 | Plus 3 (21 in) | 29.66 in | +0.29% |
| 245/45R21 | Plus 3 (21 in) | 29.68 in | +0.36% |
| 265/40R21 | Plus 3 (21 in) | 29.35 in | −0.77% |
| 235/45R21 | Plus 3 (21 in) | 29.33 in | −0.84% |
Vehicles approved with 245/60R18 tires
Models whose Swiss type approval lists 245/60R18 as a standard or optional size (38 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 18-inch sizes
Reading the 245/60R18 size
- 245 — section width in millimetres (9.65 in).
- 60 — aspect ratio: the sidewall is 60 % of the width, 147.0 mm.
- R — radial construction (ZR on the sidewall means a high-speed rated radial; the dimensions are the same).
- 18 — fits a 18-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.