285/35R20 tire size
285/35R20 in inches: 27.85" overall diameter — 11.22" wide, 3.93" sidewall.
Overall diameter 27.85 in 707.5 mm
Section width 11.22 in 285 mm
Sidewall height 3.93 in 99.75 mm
Revs / mile 724 speedo calibration
Full dimensions
| Measurement | Metric | Imperial |
|---|---|---|
| Overall diameter | 707.5 mm | 27.85 in |
| Section width | 285 mm | 11.22 in |
| Sidewall height | 99.75 mm | 3.93 in |
| Rim diameter | 508 mm | 20 in |
| Circumference | 2222.7 mm | 87.51 in |
| Revolutions per mile | 724.1 | |
| Aspect ratio | 35% | |
Compare 285/35R20 to similar sizes
Frequently asked questions
What is the overall diameter of a 285/35R20 tire?
A 285/35R20 tire has an overall diameter of 27.85 inches (707.5 mm).
How tall is a 285/35R20 tire?
The sidewall height is 99.75 mm (3.93 inches), and the overall diameter from the ground to the top of the tire is 27.85 inches.
How many revolutions per mile does a 285/35R20 tire make?
A 285/35R20 tire makes approximately 724 revolutions per mile. Your speedometer is calibrated to this number.
What rim size does a 285/35R20 tire fit?
A 285/35R20 tire is designed for a 20-inch rim (508 mm).
All dimensions calculated using standard ETRTO formulas. Always confirm fitment with your vehicle's door-placard and a qualified tire professional before purchasing.