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285/65R18 tire size
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32.6" × 11.2"
285/65R18 ≈ 32.6x11.2R18 · approximate, new & unloaded
285/65R18 dimensions
| Measurement | Inches | mm |
|---|---|---|
| Overall diameter | 32.59 | 828 |
| Section width | 11.22 | 285 |
| Sidewall height | 7.29 | 185.2 |
| Wheel diameter | 18 | 457 |
| Circumference | 102.37 | 2600 |
| Revolutions per mile | 619 | |
Sizes close to 285/65R18
| Size | Diameter | Difference | Real speed at 60 mph indicated |
|---|---|---|---|
| 285/70R17 | 32.71" | +0.37% | 60.2 |
| 285/75R16 | 32.83" | +0.75% | 60.4 |
| 285/55R20 | 32.34" | -0.75% | 59.6 |
| 275/60R20 | 32.99" | +1.24% | 60.7 |
| 275/65R18 | 32.07" | -1.57% | 59.1 |
| 275/70R18 | 33.16" | +1.75% | 61.1 |
Diameter only - also check load index, speed rating, wheel width range and clearance with a tire professional.
Compare 285/65R18 with another size
FAQ
How tall is a 285/65R18 tire in inches?
A 285/65R18 tire is about 32.6 inches tall (828 mm), 11.2 inches wide, with a 7.3-inch sidewall, for a 18-inch wheel.
What is 285/65R18 in inches (flotation size)?
Roughly 32.6x11.2R18.
How many revolutions per mile does a 285/65R18 tire make?
About 619 revolutions per mile (circumference 102.4 in), new and unloaded.
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