184Best 245/30 R20 tires
28 rated tires available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Michelin Pilot Sport All Season 4 at 88/100.
25.8″
overall diameter
9.6″
section width
20″
rim diameter
782.1
revs per mile
Best 245/30 R20 summer tires
18184
283
383
482
581
679
778
880
976
1075
1174
12736 more rated tires in this size are listed on their brand pages.
More top-rated 245/30 R20 tires
6
190
284
380
479
588
Best 245/30 R20 all-season tires
3
188
284
372Best 245/30 R20 winter tires
1
180Conversion
245/30 R20 in inches
| Overall diameter | 25.8″ |
| Section width | 9.6″ |
| Rim diameter | 20″ |
| Sidewall height | 74 mm |
| Circumference | 81″ |
| Revolutions per mile | 782.1 |
The closest flotation size is 33x11.50R20 — 28% taller and 19.2% wider. Compare them in the calculator.
Wheels
What rims fit 245/30 R20 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
Minimum
7″
Ideal
7.5″
Maximum
8.5″
Rim diameter is fixed at 20″ — only the width varies. Estimated from the 9.6″ section width (70–90% rule).
Fitted from the factory on rims: 20x8, 20x8.5, 20x9, 20x9.5, 20x10.5, 20x11, 20x12.
Popular comparisons
Sizes often compared with 245/30 R20
Close alternatives — each opens in the tire size calculator.
Sidewall
245/30 R20 — what does it mean?
| Parameter | Meaning |
|---|---|
| 245 | The first number is the section width — 245 mm, or about 9.6 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 74 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. |