Best 200/78 R15 tires
We don't have rated tires listed in this size yet — the conversion, rim fitment and comparisons below still apply.
27.3″
overall diameter
7.9″
section width
15″
rim diameter
739.2
revs per mile
Conversion
200/78 R15 in inches
| Overall diameter | 27.3″ |
| Section width | 7.9″ |
| Rim diameter | 15″ |
| Sidewall height | 156 mm |
| Circumference | 85.7″ |
| Revolutions per mile | 739.2 |
The closest flotation size is 28x9.0R15 — 2.6% taller and 14.3% wider. Compare them in the calculator.
Wheels
What rims fit 200/78 R15 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
Minimum
5.5″
Ideal
6.5″
Maximum
7″
Rim diameter is fixed at 15″ — only the width varies. Estimated from the 7.9″ section width (70–90% rule).
Fitted from the factory on rims: 15x6.
Sidewall
200/78 R15 — what does it mean?
| Parameter | Meaning |
|---|---|
| 200 | The first number is the section width — 200 mm, or about 7.9 inches across the widest part of the tire. |
| 78 | The second number is the aspect ratio: sidewall height as a percentage of width. At 78%, the sidewall is about 156 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. |