Best 205/45 R15 tires
We don't have rated tires listed in this size yet — the conversion, rim fitment and comparisons below still apply.
22.3″
overall diameter
8.1″
section width
15″
rim diameter
905.9
revs per mile
Conversion
205/45 R15 in inches
| Overall diameter | 22.3″ |
| Section width | 8.1″ |
| Rim diameter | 15″ |
| Sidewall height | 92 mm |
| Circumference | 69.9″ |
| Revolutions per mile | 905.9 |
The closest flotation size is 26x10R15 — 16.8% taller and 23.9% wider. Compare them in the calculator.
Wheels
What rims fit 205/45 R15 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
Minimum
5.5″
Ideal
6.5″
Maximum
7.5″
Rim diameter is fixed at 15″ — only the width varies. Estimated from the 8.1″ section width (70–90% rule).
Fitted from the factory on rims: 15x6.5.
Sidewall
205/45 R15 — what does it mean?
| Parameter | Meaning |
|---|---|
| 205 | The first number is the section width — 205 mm, or about 8.1 inches across the widest part of the tire. |
| 45 | The second number is the aspect ratio: sidewall height as a percentage of width. At 45%, the sidewall is about 92 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. |