181Best 255/30 R30 tires
1 rated tire available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Lexani LX Thirty at 81/100.
36″
overall diameter
10″
section width
30″
rim diameter
559.9
revs per mile
Best 255/30 R30 summer tires
1181Conversion
255/30 R30 in inches
| Overall diameter | 36″ |
| Section width | 10″ |
| Rim diameter | 30″ |
| Sidewall height | 77 mm |
| Circumference | 113.2″ |
| Revolutions per mile | 559.9 |
Wheels
What rims fit 255/30 R30 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
Minimum
7″
Ideal
8″
Maximum
9″
Rim diameter is fixed at 30″ — only the width varies. Estimated from the 10″ section width (70–90% rule).
Sidewall
255/30 R30 — what does it mean?
| Parameter | Meaning |
|---|---|
| 255 | The first number is the section width — 255 mm, or about 10 inches across the widest part of the tire. |
| 30 | The second number is the aspect ratio: sidewall height as a percentage of width. At 30%, the sidewall is about 77 mm tall. |
| R30 | R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 30-inch wheel. |