Tires Size 285/680R18
Dimensions, specs, and every size 285/680R18 tire currently in stock
170.6"
4333 mm · calculated
285 mm
11.22 inches
76.3"
1938 mm · 680% profile
18"
457.2 mm
1 product
In stock · Free shipping on every order
Showing 1 to 1 of 1 products
285/680R18 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 | 680% | — |
| Sidewall height | 76.3 in | 1938 mm |
| Overall diameter (calculated) | 170.6 in | 4333 mm |
| Wheel / rim diameter | 18 in | 457.2 mm |
| Construction | Radial | — |
What does 285/680R18 mean?
Reading the code on your sidewall
285 mm
The distance from sidewall to sidewall across the tire's widest point.
680% profile
The sidewall stands 680% of the section width, which is 1938 mm on this size.
Radial
The body plies run across the tire at right angles to the direction of travel.
18 in
Fits a wheel measuring 18 inches across.
285/680R18 Questions & Answers
Dimensions and fitment guidelines for size 285/680R18
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