Best 225/55 R15 tires
We don't have rated tires listed in this size yet — the conversion, rim fitment and comparisons below still apply.
24.7″
overall diameter
8.9″
section width
15″
rim diameter
815.1
revs per mile
Conversion
225/55 R15 in inches
| Overall diameter | 24.7″ |
| Section width | 8.9″ |
| Rim diameter | 15″ |
| Sidewall height | 124 mm |
| Circumference | 77.7″ |
| Revolutions per mile | 815.1 |
The closest flotation size is 26x10R15 — 5.1% taller and 12.9% wider. Compare them in the calculator.
Wheels
What rims fit 225/55 R15 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 15″ — only the width varies. Estimated from the 8.9″ section width (70–90% rule).
Fitted from the factory on rims: 15x7.
Sidewall
225/55 R15 — 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. |
| 55 | The second number is the aspect ratio: sidewall height as a percentage of width. At 55%, the sidewall is about 124 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. |