Important Notes: I have exhaustively explored all the questions and answers related to this particular topic.
The question I have is very straightforward:
How many pixels are equivalent to 1 character?Here's a sample of my code - code
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There isn't a set conversion from ch to px, as ch is a relative unit just like rem and em. One ch represents the width of the 0 glyph (ZERO, U+0030) in the current font.
If the width of the 0 glyph is 8px, then 1ch = 8px (in this example, it's also equal to 0.5em, but that may vary).
html {
font-size: 16px;
}
.font-20 {
font-size: 20px;
}
.em {
background: red;
height: 1em;
width: 1em;
}
.rem {
background: blue;
height: 1rem;
width: 1rem;
}
.ch {
background: green;
height: 2ch;
width: 2ch;
}
.px {
background: orange;
height: 16px;
width: 16px;
}<div>
<h1>font-size: 16px (root size)</h1>
<div class="ch" title="2ch"></div>
<div class="em" title="1em"></div>
<div class="rem" title="1rem"></div>
<div class="px" title="16px"></div>
</div>
<div class="font-20">
<h1>font-size: 20px</h1>
<div class="ch" title="2ch"></div>
<div class="em" title="1em"></div>
<div class="rem" title="1rem"></div>
<div class="px" title="16px"></div>
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