Tire sizes / 245/70R18
245/70R18 Tire Size
245/70R18
- 245: tread width of 245 mm (9.6 in)
- 70: sidewall height is 70% of the width, about 172 mm
- R: radial construction
- 18: fits a 18-inch wheel
Dimensions
| Overall diameter | 31.5 in (800 mm) |
|---|---|
| Section width | 9.6 in (245 mm) |
| Sidewall height | 6.8 in (172 mm) |
| Wheel diameter | 18 in |
| Revolutions per mile | about 640 |
Nominal figures calculated from the size code. Real tires vary a little by brand and tread depth.
Cars that came with 245/70R18 tires
Factory fitment only, from owner's manuals. Many other cars can run this size; check with a tire shop before changing size.