285 Tire Size in Inches
A 285 tire is 11.22 inches wide (285 mm ÷ 25.4). Its overall height depends on the aspect ratio and wheel size — the chart below works out every common combination.
Calculated from the size designation · Updated 2026-11-05 · By CarWhere Research
285 tire overall height (inches)
| Aspect | R15 | R16 | R17 | R18 | R19 | R20 | R21 | R22 |
|---|---|---|---|---|---|---|---|---|
| 285/35 | 22.9 | 23.9 | 24.9 | 25.9 | 26.9 | 27.9 | 28.9 | 29.9 |
| 285/40 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
| 285/45 | 25.1 | 26.1 | 27.1 | 28.1 | 29.1 | 30.1 | 31.1 | 32.1 |
| 285/50 | 26.2 | 27.2 | 28.2 | 29.2 | 30.2 | 31.2 | 32.2 | 33.2 |
| 285/55 | 27.3 | 28.3 | 29.3 | 30.3 | 31.3 | 32.3 | 33.3 | 34.3 |
| 285/60 | 28.5 | 29.5 | 30.5 | 31.5 | 32.5 | 33.5 | 34.5 | 35.5 |
| 285/65 | 29.6 | 30.6 | 31.6 | 32.6 | 33.6 | 34.6 | 35.6 | 36.6 |
| 285/70 | 30.7 | 31.7 | 32.7 | 33.7 | 34.7 | 35.7 | 36.7 | 37.7 |
| 285/75 | 31.8 | 32.8 | 33.8 | 34.8 | 35.8 | 36.8 | 37.8 | 38.8 |
Calculated nominal dimensions. Actual measured size varies by tire model and rim width. Linked values are factory sizes on vehicles in our data.
Other widths
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Trim, package and production changes all move these numbers. Decode the 17-character VIN with the free VIN decoder to confirm the engine and trim, or see the federal engine and MPG specs. Shopping? Browse live inventory and what buyers actually paid.
Frequently asked questions
How wide is a 285 tire in inches?
285 mm ÷ 25.4 = 11.22 inches of section width. The tread itself is somewhat narrower than the section width.
How tall is a 285 tire?
It depends on the aspect ratio and wheel size. For example 285/70R17 is about 32.7 in tall and 285/55R20 about 32.3 in — see the chart.