235/60R18 Tire Size
Dimensions of a 235/60R18 tire in inches and millimeters, with equivalent and plus sizes.
235/60R18 dimensions
A 235/60R18 tire is 235 mm wide with a sidewall that is 60% of the width (141 mm), mounted on a 18-inch rim. Its overall diameter is about 29.10 inches (739 mm), so it is roughly a 29.1-inch tall tire.
| Overall diameter | 29.10 in | 739 mm |
|---|---|---|
| Section width | 9.25 in | 235 mm |
| Sidewall height | 5.55 in | 141.0 mm |
| Rim diameter | 18 in | 457 mm |
| Circumference | 91.4 in | 2322 mm |
| Revolutions | 693 per mile | 431 per km |
Equivalent sizes on a 18-inch rim
These sizes stay within ±3% of the 235/60R18 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 |
|---|---|---|---|
| 255/55R18 | 29.04 in | 738 mm | -0.2% |
| 215/65R18 | 29.00 in | 737 mm | -0.3% |
| 225/65R18 | 29.52 in | 750 mm | +1.4% |
| 245/60R18 | 29.57 in | 751 mm | +1.6% |
| 225/60R18 | 28.63 in | 727 mm | -1.6% |
| 245/55R18 | 28.61 in | 727 mm | -1.7% |
| 215/70R18 | 29.85 in | 758 mm | +2.6% |
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 |
|---|---|---|---|
| 255/60R17 | 29.05 in | 738 mm | -0.2% |
| 255/50R19 | 29.04 in | 738 mm | -0.2% |
| 255/45R20 | 29.04 in | 738 mm | -0.2% |
| 235/55R19 | 29.18 in | 741 mm | +0.3% |
| 235/65R17 | 29.03 in | 737 mm | -0.3% |
| 235/50R20 | 29.25 in | 743 mm | +0.5% |
| 225/50R20 | 28.86 in | 733 mm | -0.8% |
| 265/45R20 | 29.39 in | 746 mm | +1.0% |
| 225/70R17 | 29.40 in | 747 mm | +1.0% |
| 265/50R19 | 29.43 in | 748 mm | +1.1% |
Compare 235/60R18 with another size →
Frequently asked questions
How tall is a 235/60R18 tire?
About 29.10 inches (739 mm) in overall diameter.
How wide is a 235/60R18 tire?
The section width is 235 mm, about 9.3 inches.
What size can replace 235/60R18?
On the same rim, 255/55R18 is the closest size (-0.2% diameter). Use only sizes approved for your vehicle.
How many revolutions per mile does a 235/60R18 tire make?
About 693 revolutions per mile (431 per km).
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