190Best 285/70 R18 tires
11 rated tires available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Falken WildPeak A/T4W at 91/100.
33.7″
overall diameter
11.2″
section width
18″
rim diameter
598.3
revs per mile
Best 285/70 R18 mud-terrain tires
4190
290
380
Best 285/70 R18 all-terrain tires
4
189
287
386
483More top-rated 285/70 R18 tires
3
191
290
396Conversion
285/70 R18 in inches
| Overall diameter | 33.7″ |
| Section width | 11.2″ |
| Rim diameter | 18″ |
| Sidewall height | 200 mm |
| Circumference | 105.9″ |
| Revolutions per mile | 598.3 |
The closest flotation size is 33x10.50R18 — 2.1% shorter and 6.4% narrower. Compare them in the calculator.
Wheels
What rims fit 285/70 R18 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
Minimum
8″
Ideal
9″
Maximum
10″
Rim diameter is fixed at 18″ — only the width varies. Estimated from the 11.2″ section width (70–90% rule).
Popular comparisons
Sizes often compared with 285/70 R18
Close alternatives — each opens in the tire size calculator.
Sidewall
285/70 R18 — what does it mean?
| Parameter | Meaning |
|---|---|
| 285 | The first number is the section width — 285 mm, or about 11.2 inches across the widest part of the tire. |
| 70 | The second number is the aspect ratio: sidewall height as a percentage of width. At 70%, the sidewall is about 200 mm tall. |
| R18 | R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 18-inch wheel. |