192Best 285/70 R20 tires
1 rated tire available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Toyo Open Country A/T III EV at 92/100.
35.7″
overall diameter
11.2″
section width
20″
rim diameter
564.8
revs per mile
Best 285/70 R20 all-terrain tires
1192Conversion
285/70 R20 in inches
| Overall diameter | 35.7″ |
| Section width | 11.2″ |
| Rim diameter | 20″ |
| Sidewall height | 200 mm |
| Circumference | 112.2″ |
| Revolutions per mile | 564.8 |
The closest flotation size is 35x11.50R20 — 2% shorter and 2.5% wider. Compare them in the calculator.
Wheels
What rims fit 285/70 R20 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 20″ — only the width varies. Estimated from the 11.2″ section width (70–90% rule).
Sidewall
285/70 R20 — 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. |
| R20 | R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 20-inch wheel. |