179Best 245/40 R15 tires
3 rated tires available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Hankook Ventus R-S4 at 79/100.
Compare two 245/40 R15 tires side by side
22.7″
overall diameter
9.6″
section width
15″
rim diameter
887.8
revs per mile
Best 245/40 R15 summer tires
3179
276
371245/40 R15 in inches
| Overall diameter | 22.7″ |
| Section width | 9.6″ |
| Rim diameter | 15″ |
| Sidewall height | 98 mm |
| Circumference | 71.4″ |
| Revolutions per mile | 887.8 |
The closest flotation size is 26x10R15 — 14.5% taller and 3.7% wider. Compare them in the calculator.
What rims fit 245/40 R15 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 15″ — only the width varies. Estimated from the 9.6″ section width (70–90% rule).
245/40 R15 — 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. |
| 40 | The second number is the aspect ratio: sidewall height as a percentage of width. At 40%, the sidewall is about 98 mm tall. |
| R15 | R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 15-inch wheel. |