Home › Tire sizes › 285/55R20
285/55R20 tire size
Advertisement
32.3" × 11.2"
285/55R20 ≈ 32.3x11.2R20 · approximate, new & unloaded
285/55R20 dimensions
| Measurement | Inches | mm |
|---|---|---|
| Overall diameter | 32.34 | 822 |
| Section width | 11.22 | 285 |
| Sidewall height | 6.17 | 156.8 |
| Wheel diameter | 20 | 508 |
| Circumference | 101.61 | 2581 |
| Revolutions per mile | 624 | |
Sizes close to 285/55R20
| Size | Diameter | Difference | Real speed at 60 mph indicated |
|---|---|---|---|
| 285/65R18 | 32.59" | +0.75% | 60.5 |
| 275/65R18 | 32.07" | -0.83% | 59.5 |
| 285/70R17 | 32.71" | +1.13% | 60.7 |
| 275/55R20 | 31.91" | -1.34% | 59.2 |
| 285/75R16 | 32.83" | +1.51% | 60.9 |
| 275/60R20 | 32.99" | +2.01% | 61.2 |
Diameter only - also check load index, speed rating, wheel width range and clearance with a tire professional.
Compare 285/55R20 with another size
FAQ
How tall is a 285/55R20 tire in inches?
A 285/55R20 tire is about 32.3 inches tall (822 mm), 11.2 inches wide, with a 6.2-inch sidewall, for a 20-inch wheel.
What is 285/55R20 in inches (flotation size)?
Roughly 32.3x11.2R20.
How many revolutions per mile does a 285/55R20 tire make?
About 624 revolutions per mile (circumference 101.6 in), new and unloaded.
Advertisement
Free calculator by DriveCost