Best 325/50 R15 tires
We don't have rated tires listed in this size yet — the conversion, rim fitment and comparisons below still apply.
27.8″
overall diameter
12.8″
section width
15″
rim diameter
725.6
revs per mile
Conversion
325/50 R15 in inches
| Overall diameter | 27.8″ |
| Section width | 12.8″ |
| Rim diameter | 15″ |
| Sidewall height | 163 mm |
| Circumference | 87.3″ |
| Revolutions per mile | 725.6 |
The closest flotation size is 28x12.00R15 — 0.7% taller and 6.2% narrower. Compare them in the calculator.
Wheels
What rims fit 325/50 R15 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
Minimum
9″
Ideal
10″
Maximum
11.5″
Rim diameter is fixed at 15″ — only the width varies. Estimated from the 12.8″ section width (70–90% rule).
Sidewall
325/50 R15 — what does it mean?
| Parameter | Meaning |
|---|---|
| 325 | The first number is the section width — 325 mm, or about 12.8 inches across the widest part of the tire. |
| 50 | The second number is the aspect ratio: sidewall height as a percentage of width. At 50%, the sidewall is about 163 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. |