For example, plus one sizing means increasing the wheel by one inch--from a 15
" to a ... Changing to a wider tire requires reducing the aspect ratio (the second ...
The two-digit number after the slash mark in a tire size is the aspect ratio. For
example, in a size P215/65 R15 tire, the 65 means that the height is equal to 65%
Typically following the three digits identifying the tire's Section Width in
millimeters is a two-digit number that identifies the tire's profile or aspect ratio.
How to find your tire
size and aspect ratio
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Each section of small print on a tire's sidewall means something: ... In our
example, the aspect ratio is 75, so the tire's height is 75 percent of its width, or
Aspect Ratios indicate a tires cross-sectional profile. The smaller the number, the
lower the profile. It expresses the height to width ...
The lower the aspect ratio, the wider the tire is in relation to its height. ... An
aspect ratio of 98% means the section height of the tire is slightly less than the ...
The concept of a tire series is the same as the aspect ratio. A tire's aspect ... This
means the tire becomes wider and safety increases when driving. As the figure ...
For example, if the tire is 205 mm wide, and its aspect ratio is 50, then the
sidewall is ... In this case, 85 means the tire is rated for 1,135 pounds (see Table