176Best 335/30 R21 tires
1 rated tire available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Goodyear Eagle F1 SuperSport R at 76/100.
28.9″
overall diameter
13.2″
section width
21″
rim diameter
697.5
revs per mile
Best 335/30 R21 summer tires
1176Conversion
335/30 R21 in inches
| Overall diameter | 28.9″ |
| Section width | 13.2″ |
| Rim diameter | 21″ |
| Sidewall height | 101 mm |
| Circumference | 90.8″ |
| Revolutions per mile | 697.5 |
Wheels
What rims fit 335/30 R21 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 21″ — only the width varies. Estimated from the 13.2″ section width (70–90% rule).
Fitted from the factory on rims: 21x13.
Sidewall
335/30 R21 — 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. |
| R21 | R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 21-inch wheel. |