Tires Size 285/55R20
Dimensions, specs, and every size 285/55R20 tire currently in stock
32.34"
821 mm · calculated
285 mm
11.22 inches
6.17"
156.8 mm · 55% profile
20"
508.0 mm
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285/55R20 Specifications
Read directly from the size code. Load index, speed rating, and rim width range vary by model.
| Specification | Imperial | Metric |
|---|---|---|
| Section width | 11.22 in | 285 mm |
| Aspect ratio | 55% | — |
| Sidewall height | 6.17 in | 156.8 mm |
| Overall diameter (calculated) | 32.34 in | 821 mm |
| Wheel / rim diameter | 20 in | 508.0 mm |
| Construction | Radial | — |
What does 285/55R20 mean?
Reading the code on your sidewall
285 mm
The distance from sidewall to sidewall across the tire's widest point.
55% profile
The sidewall stands 55% of the section width, which is 156.8 mm on this size.
Radial
The body plies run across the tire at right angles to the direction of travel.
20 in
Fits a wheel measuring 20 inches across.
285/55R20 Questions & Answers
Dimensions and fitment guidelines for size 285/55R20
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