245/60R18 is approximately 29.58 inches tall and 9.65 inches wide, with a calculated sidewall height of 5.79 inches.
245/60R18 Dimensions
| Overall diameter | 29.58 in |
| Section width | 9.65 in |
| Sidewall height | 5.79 in |
| Wheel diameter | 18 in |
| Circumference | 92.91 in |
| Revolutions per mile (approx.) | 682 |
What Does 245/60R18 Mean?
In 245/60R18, the numbers describe nominal tire width, sidewall aspect ratio and wheel diameter; R means radial construction.
| 245 | Tire section width (mm) |
| 60 | Sidewall height as % of width |
| R | Radial tire construction |
| 18 | Wheel diameter (in) |
245/60R18 in Inches
A 245/60R18 tire has a nominal width of 245 mm (9.65 inches). Its calculated sidewall is 5.79 inches, producing an overall diameter of 29.58 inches.
| Tire size | 245/60R18 |
| Width | 245 mm / 9.65 in |
| Aspect ratio | 60% |
| Diameter | 29.58 in |
| Sidewall height | 5.79 in |
| Wheel diameter | 18 in |
| Circumference | 92.91 in |
| Approx. revolutions per mile | 682 |
Is 245/60R18 a 30-Inch Tire?
Approximately. The calculated diameter is 29.58 inches, commonly grouped with 30-inch-class tires. Real mounted dimensions vary by brand, tire model, approved wheel width, load and pressure.
Compare 245/60R18 With Another Tire Size
Compare diameter, width, sidewall, circumference and speedometer differences before considering a different size.
245/60R18 FAQ
How tall is 245/60R18?
The calculated overall diameter is approximately 29.58 inches. Actual measurements vary by tire model and mounting conditions.
How wide is 245/60R18?
The nominal section width is 245 mm, or approximately 9.65 inches.
What wheel diameter does 245/60R18 use?
This tire size is designed for a 18-inch diameter wheel. Wheel width and complete vehicle fitment must still be checked.