245/70R17 in inches
A 245/70R17 tire stands 30.5 inches tall and is 9.6 inches wide. It fits a 17-inch wheel. People usually call it a 31-inch tire.
Tall
30.5″
775 mm
Wide
9.6″
245 mm
Wheel
17″
rim diameter
Cars that come with 245/70R17
Similar-height sizes
Within 3% of 245/70R17, so your speedometer stays close.
| Size | Height | vs 245/70R17 | |
|---|---|---|---|
| 265/60R18 | 30.5″ | +0.1%needs 18″ wheels | Compare |
| 245/75R16 | 30.5″ | −0.1%needs 16″ wheels | Compare |
| 295/45R20 | 30.5″ | −0.2%needs 20″ wheels | Compare |
| 265/65R17 | 30.6″ | +0.2% | Compare |
| 265/50R20 | 30.4″ | −0.2%needs 20″ wheels | Compare |
| 265/70R16 | 30.6″ | +0.3%needs 16″ wheels | Compare |
| 275/45R21 | 30.7″ | +0.8%needs 21″ wheels | Compare |
| 235/55R20 | 30.2″ | −1.1%needs 20″ wheels | Compare |
How 245/70R17 is measured
| Measurement | Inches | Millimetres |
|---|---|---|
| Overall height (diameter) | 30.50 | 775 |
| Tread width | 9.65 | 245 |
| Sidewall height | 6.75 | 171 |
| Distance per turn (circumference) | 95.8 | 2434 |
| Turns per mile | 661 | |
The first number (245) 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.