Best 165/45 R16 tires
We don't have rated tires listed in this size yet — the conversion, rim fitment and comparisons below still apply.
21.8″
overall diameter
6.5″
section width
16″
rim diameter
923.2
revs per mile
Conversion
165/45 R16 in inches
| Overall diameter | 21.8″ |
| Section width | 6.5″ |
| Rim diameter | 16″ |
| Sidewall height | 74 mm |
| Circumference | 68.6″ |
| Revolutions per mile | 923.2 |
The closest flotation size is 31x10.50R16 — 41.9% taller and 61.6% wider. Compare them in the calculator.
Wheels
What rims fit 165/45 R16 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
Minimum
4.5″
Ideal
5″
Maximum
6″
Rim diameter is fixed at 16″ — only the width varies. Estimated from the 6.5″ section width (70–90% rule).
Fitted from the factory on rims: 16x5.
Sidewall
165/45 R16 — what does it mean?
| Parameter | Meaning |
|---|---|
| 165 | The first number is the section width — 165 mm, or about 6.5 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 74 mm tall. |
| R16 | R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 16-inch wheel. |