Best 225/40 R22 tires
We don't have rated tires listed in this size yet — the conversion, rim fitment and comparisons below still apply.
29.1″
overall diameter
8.9″
section width
22″
rim diameter
693.4
revs per mile
Conversion
225/40 R22 in inches
| Overall diameter | 29.1″ |
| Section width | 8.9″ |
| Rim diameter | 22″ |
| Sidewall height | 90 mm |
| Circumference | 91.4″ |
| Revolutions per mile | 693.4 |
The closest flotation size is 33x12.50R22 — 13.5% taller and 41.1% wider. Compare them in the calculator.
Wheels
What rims fit 225/40 R22 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 22″ — only the width varies. Estimated from the 8.9″ section width (70–90% rule).
Sidewall
225/40 R22 — 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. |
| 40 | The second number is the aspect ratio: sidewall height as a percentage of width. At 40%, the sidewall is about 90 mm tall. |
| R22 | R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 22-inch wheel. |