192Best 225/45 R13 tires
3 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.
21″
overall diameter
8.9″
section width
13″
rim diameter
961.6
revs per mile
More top-rated 225/45 R13 tires
3
Conversion
225/45 R13 in inches
| Overall diameter | 21″ |
| Section width | 8.9″ |
| Rim diameter | 13″ |
| Sidewall height | 101 mm |
| Circumference | 65.9″ |
| Revolutions per mile | 961.6 |
Wheels
What rims fit 225/45 R13 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 13″ — only the width varies. Estimated from the 8.9″ section width (70–90% rule).
Sidewall
225/45 R13 — 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. |
| 45 | The second number is the aspect ratio: sidewall height as a percentage of width. At 45%, the sidewall is about 101 mm tall. |
| R13 | R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 13-inch wheel. |