189Best 335/30 R18 tires
9 rated tires available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Continental ExtremeContact Sport at 89/100.
25.9″
overall diameter
13.2″
section width
18″
rim diameter
778.3
revs per mile
Best 335/30 R18 summer tires
5189
278
375
471
566More top-rated 335/30 R18 tires
4
366
462Conversion
335/30 R18 in inches
| Overall diameter | 25.9″ |
| Section width | 13.2″ |
| Rim diameter | 18″ |
| Sidewall height | 101 mm |
| Circumference | 81.4″ |
| Revolutions per mile | 778.3 |
The closest flotation size is 28x12.00R18 — 8.1% taller and 9% narrower. Compare them in the calculator.
Wheels
What rims fit 335/30 R18 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
Minimum
9″
Ideal
10.5″
Maximum
12″
Rim diameter is fixed at 18″ — only the width varies. Estimated from the 13.2″ section width (70–90% rule).
Fitted from the factory on rims: 18x13.
Sidewall
335/30 R18 — what does it mean?
| Parameter | Meaning |
|---|---|
| 335 | The first number is the section width — 335 mm, or about 13.2 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 101 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. |