285/65R20 Tire Size: Dimensions & Inches
285/65R20 is approximately 34.59 inches tall and 11.22 inches wide, with a calculated sidewall height of 7.29 inches.
285/65R20 Dimensions
What Does 285/65R20 Mean?
The tire-size code describes the tire's nominal width, sidewall proportion, construction and wheel diameter:
285/65R20 in Inches
A 285/65R20 tire has a nominal width of 285 mm (about 11.22 inches). Its calculated sidewall is about 7.29 inches, producing an overall diameter of about 34.59 inches.
| Tire size | 285/65R20 |
|---|---|
| Width | 285 mm / 11.22 in |
| Aspect ratio | 65% |
| Overall diameter | 34.59 in |
| Sidewall height | 7.29 in |
| Wheel diameter | 20 in |
| Circumference | 108.66 in |
| Approx. revs per mile | 583 |
Is 285/65R20 a 35-Inch Tire?
Yes, approximately. A 285/65R20 tire has a calculated overall diameter of about 34.59 inches, so it is commonly grouped with 35-inch-class tires. Actual mounted diameter can vary slightly by tire manufacturer, tread design, approved rim width, load and inflation pressure.
Compare 285/65R20 With Another Tire Size
Check diameter, width, sidewall and speedometer differences before considering a different size.
Related 20-Inch Tire Sizes
285/65R20 FAQ
How tall is a 285/65R20 tire?
The calculated overall diameter is about 34.59 inches.
Is 285/65R20 a 35-inch tire?
Approximately. Its calculated diameter is about 34.59 inches, so it is commonly grouped with 35-inch-class tires. Actual mounted dimensions vary by tire model and manufacturer.
How wide is a 285/65R20 tire?
The nominal section width is 285 mm, which is about 11.22 inches.
What wheel diameter does 285/65R20 use?
This size is designed around a 20-inch wheel diameter. Wheel width and full vehicle fitment still need to be checked separately.