315/70R17 in inches
A 315/70R17 tire stands 34.4 inches tall and is 12.4 inches wide. It fits a 17-inch wheel. People usually call it a 34-inch tire.
Tall
34.4″
873 mm
Wide
12.4″
315 mm
Wheel
17″
rim diameter
Cars that come with 315/70R17
Similar-height sizes
Within 3% of 315/70R17, so your speedometer stays close.
How 315/70R17 is measured
| Measurement | Inches | Millimetres |
|---|---|---|
| Overall height (diameter) | 34.36 | 873 |
| Tread width | 12.40 | 315 |
| Sidewall height | 8.68 | 221 |
| Distance per turn (circumference) | 108.0 | 2742 |
| Turns per mile | 587 | |
The first number (315) is the width in millimetres. The second (70) means the sidewall is 70% as tall as the tire is wide. The last (17) is the wheel size in inches. More on reading a tire size.