Tires Size P285/45R21
Dimensions, specs, and every size P285/45R21 tire currently in stock
31.1"
790 mm · calculated
285 mm
11.22 inches
5.05"
128.3 mm · 45% profile
21"
533.4 mm
1 product
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P285/45R21 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 | 45% | — |
| Sidewall height | 5.05 in | 128.3 mm |
| Overall diameter (calculated) | 31.1 in | 790 mm |
| Wheel / rim diameter | 21 in | 533.4 mm |
| Construction | Radial | — |
| Service type | Passenger car | — |
What does P285/45R21 mean?
Reading the code on your sidewall
285 mm
The distance from sidewall to sidewall across the tire's widest point.
45% profile
The sidewall stands 45% of the section width, which is 128.3 mm on this size.
Radial
The body plies run across the tire at right angles to the direction of travel.
21 in
Fits a wheel measuring 21 inches across.
P285/45R21 Questions & Answers
Dimensions and fitment guidelines for size P285/45R21
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