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285/45R18 tire load inflation table provides tire pressure psi corresponding to tire's weight load in pounds (lbs).

If your vehicle is carrying extra load, you might want to increase your tire pressure accordingly, but do not overinflate your tires above the maximum tire pressure level indicated on your tire sidewall. Remember that overinflating your tires does not increase their load carrying capacity.

Psi / Load Index
26 psi1488 lbs
27 psi1532 lbs
28 psi1554 lbs
29 psi1609 lbs
30 psi1675 lbs
31 psi1698 lbs
32 psi1742 lbs
33 psi1808 lbs
34 psi1830 lbs
35 psi1863 lbs
36 psi1929 lbs
37 psi1929 lbs
38 psi1929 lbs
39 psi1929 lbs
40 psi1929 lbs
41 psi1929 lbs
42 psi1929 lbs

Tire brands and models with 285/45R18 tire size. Click on tire model to see its tire pressure chart.

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