245/70R17 tire size
A 245/70R17 tire is 245 mm wide with a sidewall 70% of its width (171.5 mm), fits a 17-inch rim and has an overall diameter of 775 mm (30.5 in).
| Dimension | Metric | Imperial |
|---|---|---|
| Section width | 245 mm | 9.65 in |
| Sidewall height | 171.5 mm | 6.75 in |
| Rim diameter | 431.8 mm | 17 in |
| Overall diameter | 774.8 mm | 30.50 in |
| Circumference | 2,434.1 mm | 95.83 in |
| Revolutions | 411 per km | 661 per mile |
Reading the size 245/70R17
245Width in mm70Aspect ratio (sidewall % of width)RRadial construction17Rim diameter in inches
The load index and speed rating (for example 91V) follow the size on the sidewall. Replacement tires should match or exceed the original load index and speed rating.
Alternative sizes within 3% of 245/70R17
A replacement size should stay within about 3% of the original diameter so the speedometer, ABS and transmission stay accurate. Always check clearance, load index and the vehicle manufacturer's approved sizes.
Compare 245/70R17 with any size →