Best 225/40 R17 tires
2 rated tires available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Hoosier R7 at 92/100.
24.1″
overall diameter
8.9″
section width
17″
rim diameter
837.3
revs per mile
More top-rated 225/40 R17 tires
1Best 225/40 R17 summer tires
1Conversion
225/40 R17 in inches
| Overall diameter | 24.1″ |
| Section width | 8.9″ |
| Rim diameter | 17″ |
| Sidewall height | 90 mm |
| Circumference | 75.7″ |
| Revolutions per mile | 837.3 |
The closest flotation size is 31x10.50R17 — 28.7% taller and 18.5% wider. Compare them in the calculator.
Wheels
What rims fit 225/40 R17 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
Minimum
6″
Ideal
7″
Maximum
8″
Rim diameter is fixed at 17″ — only the width varies. Estimated from the 8.9″ section width (70–90% rule).
Fitted from the factory on rims: 17x7, 17x7.5.
Popular comparisons
Sizes often compared with 225/40 R17
Close alternatives — each opens in the tire size calculator.
Sidewall
225/40 R17 — what does it mean?
| Parameter | Meaning |
|---|---|
| 225 | The first number is the section width — 225 mm, or about 8.9 inches across the widest part of the tire. |
| 40 | The second number is the aspect ratio: sidewall height as a percentage of width. At 40%, the sidewall is about 90 mm tall. |
| R17 | R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 17-inch wheel. |