Tires Size 285/40R20
Dimensions, specs, and every size 285/40R20 tire currently in stock
28.98"
736 mm · calculated
285 mm
11.22 inches
4.49"
114 mm · 40% profile
20"
508.0 mm
1 product
Showing 1 to 1 of 1 products
285/40R20 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 | 40% | — |
| Sidewall height | 4.49 in | 114 mm |
| Overall diameter (calculated) | 28.98 in | 736 mm |
| Wheel / rim diameter | 20 in | 508.0 mm |
| Construction | Radial | — |
What does 285/40R20 mean?
Reading the code on your sidewall
285 mm
The distance from sidewall to sidewall across the tire's widest point.
40% profile
The sidewall stands 40% of the section width, which is 114 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.
285/40R20 Questions & Answers
Dimensions and fitment guidelines for size 285/40R20
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