Best 135/80 R13 tires
We don't have rated tires listed in this size yet — the conversion, rim fitment and comparisons below still apply.
21.5″
overall diameter
5.3″
section width
13″
rim diameter
937.9
revs per mile
Conversion
135/80 R13 in inches
| Overall diameter | 21.5″ |
| Section width | 5.3″ |
| Rim diameter | 13″ |
| Sidewall height | 108 mm |
| Circumference | 67.6″ |
| Revolutions per mile | 937.9 |
Wheels
What rims fit 135/80 R13 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
Minimum
3.5″
Ideal
4.5″
Maximum
5″
Rim diameter is fixed at 13″ — only the width varies. Estimated from the 5.3″ section width (70–90% rule).
Fitted from the factory on rims: 13x4.
Sidewall
135/80 R13 — what does it mean?
| Parameter | Meaning |
|---|---|
| 135 | The first number is the section width — 135 mm, or about 5.3 inches across the widest part of the tire. |
| 80 | The second number is the aspect ratio: sidewall height as a percentage of width. At 80%, the sidewall is about 108 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. |