193Best 195/45 R15 tires
5 rated tires available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Toyo Extensa HP II at 93/100.
21.9″
overall diameter
7.7″
section width
15″
rim diameter
920.5
revs per mile
Best 195/45 R15 summer tires
5193
275
339
462
546Conversion
195/45 R15 in inches
| Overall diameter | 21.9″ |
| Section width | 7.7″ |
| Rim diameter | 15″ |
| Sidewall height | 88 mm |
| Circumference | 68.8″ |
| Revolutions per mile | 920.5 |
The closest flotation size is 26x10R15 — 18.7% taller and 30.3% wider. Compare them in the calculator.
Wheels
What rims fit 195/45 R15 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
Minimum
5.5″
Ideal
6″
Maximum
7″
Rim diameter is fixed at 15″ — only the width varies. Estimated from the 7.7″ section width (70–90% rule).
Fitted from the factory on rims: 15x6, 15x6.5.
Popular comparisons
Sizes often compared with 195/45 R15
Close alternatives — each opens in the tire size calculator.
Sidewall
195/45 R15 — what does it mean?
| Parameter | Meaning |
|---|---|
| 195 | The first number is the section width — 195 mm, or about 7.7 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 88 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. |