Font Size Is Useless; Let’s Fix It
Metadata
- Author: tonsky.me
- Full Title: Font Size Is Useless; Let’s Fix It
- URL: https://tonsky.me/blog/font-size
Highlights
Point is a physical unit of measure, equal to 1⁄72 of an inch (0.353 mm), originating from typography. (View Highlight)
The solution
• Specify cap height, not em square size.
• Specify it in pixels.
Caps are what human eye actually perceives as text block boundary. So it makes sense to control the size of that, not some other arbitrary-selected metric:
Here are multiple fonts all set to the same font size:
And here are all the same fonts, but resized to match cap height:
(View Highlight)