What is CH in CSS?
As often been said, ch refers to the width of the 0 character to its font size. As example: The body has a font-size: 16px and the 0 character has a width of 10px from the selected font-family, then 1ch equals 10px .
What is the unit CH?
The ch unit lets you limit the width of text elements by character count — more specifically, the width of the “0” character for a given font. For example, if you set a paragraph's max width to 60ch, that line will never be longer than the equivalent length of 60 “0” characters for that font, in that font size.
What is the reference for the CH unit in CSS?
Relative length units
| Unit |
Relative to |
| ch |
The advance measure (width) of the glyph "0" of the element's font. |
| rem |
Font size of the root element. |
| lh |
Line height of the element. |
| vw |
1% of the viewport's width. |
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Jan 31, 2022