190Best 295/45 R18 tires
4 rated tires available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Toyo Proxes ST III at 90/100.
28.5″
overall diameter
11.6″
section width
18″
rim diameter
708.8
revs per mile
Best 295/45 R18 all-season tires
2
Best 295/45 R18 summer tires
2
184
265Conversion
295/45 R18 in inches
| Overall diameter | 28.5″ |
| Section width | 11.6″ |
| Rim diameter | 18″ |
| Sidewall height | 133 mm |
| Circumference | 89.4″ |
| Revolutions per mile | 708.8 |
The closest flotation size is 28x12.00R18 — 1.6% shorter and 3.3% wider. Compare them in the calculator.
Wheels
What rims fit 295/45 R18 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
Minimum
8″
Ideal
9.5″
Maximum
10.5″
Rim diameter is fixed at 18″ — only the width varies. Estimated from the 11.6″ section width (70–90% rule).
Fitted from the factory on rims: 18x9.5.
Sidewall
295/45 R18 — what does it mean?
| Parameter | Meaning |
|---|---|
| 295 | The first number is the section width — 295 mm, or about 11.6 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 133 mm tall. |
| R18 | R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 18-inch wheel. |