245/60R18 Tire Size
Dimensions of a 245/60R18 tire in inches and millimeters, with equivalent and plus sizes.
245/60R18 dimensions
A 245/60R18 tire is 245 mm wide with a sidewall that is 60% of the width (147 mm), mounted on a 18-inch rim. Its overall diameter is about 29.57 inches (751 mm), so it is roughly a 29.6-inch tall tire.
| Overall diameter | 29.57 in | 751 mm |
|---|---|---|
| Section width | 9.65 in | 245 mm |
| Sidewall height | 5.79 in | 147.0 mm |
| Rim diameter | 18 in | 457 mm |
| Circumference | 92.9 in | 2360 mm |
| Revolutions | 682 per mile | 424 per km |
Equivalent sizes on a 18-inch rim
These sizes stay within ±3% of the 245/60R18 diameter on the same rim — the range most tire shops use. Not every size is made in every tire model, and only sizes approved for your vehicle (with the right load and speed rating) should be fitted.
| Size | Diameter | mm | Difference |
|---|---|---|---|
| 225/65R18 | 29.52 in | 750 mm | -0.2% |
| 265/55R18 | 29.48 in | 749 mm | -0.3% |
| 235/65R18 | 30.03 in | 763 mm | +1.5% |
| 235/60R18 | 29.10 in | 739 mm | -1.6% |
| 255/60R18 | 30.05 in | 763 mm | +1.6% |
| 255/55R18 | 29.04 in | 738 mm | -1.8% |
| 225/70R18 | 30.40 in | 772 mm | +2.8% |
Plus and minus sizes
Changing the rim size? These options on 17-, 19- and 20-inch rims keep the overall diameter within ±3%.
| Size | Diameter | mm | Difference |
|---|---|---|---|
| 245/55R19 | 29.61 in | 752 mm | +0.1% |
| 245/65R17 | 29.54 in | 750 mm | -0.1% |
| 265/60R17 | 29.52 in | 750 mm | -0.2% |
| 245/50R20 | 29.65 in | 753 mm | +0.2% |
| 265/50R19 | 29.43 in | 748 mm | -0.5% |
| 275/45R20 | 29.74 in | 756 mm | +0.6% |
| 265/45R20 | 29.39 in | 746 mm | -0.6% |
| 275/50R19 | 29.83 in | 758 mm | +0.9% |
| 235/50R20 | 29.25 in | 743 mm | -1.1% |
| 235/70R17 | 29.95 in | 761 mm | +1.3% |
Compare 245/60R18 with another size →
Frequently asked questions
How tall is a 245/60R18 tire?
About 29.57 inches (751 mm) in overall diameter.
How wide is a 245/60R18 tire?
The section width is 245 mm, about 9.6 inches.
What size can replace 245/60R18?
On the same rim, 225/65R18 is the closest size (-0.2% diameter). Use only sizes approved for your vehicle.
How many revolutions per mile does a 245/60R18 tire make?
About 682 revolutions per mile (424 per km).
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