How to determine how many pixels per inch (or per centimetre) do we have (in CSS/JavaScript/jQuery or other language/technology?)
131807
Div width in cm (inch)
143635
Is there a way to determine android physical screen height in cm or inches?
96142
How CSS line-height is measured?
64105
Calculate text width with JavaScript
6298
Get the real width and height of an image with JavaScript? (in Safari/Chrome)
14600
How to compute the remaining space on the current page
6703
Calculate the display width of a string in C#?
3229
What's the difference between HTML's and CSS's width attribute?
62153
How do I measure dimensions on screen?
2498
How do you read CSS rule values with JavaScript?
57486
Is it mandatory to keep images at 72 dpi for web design?
54115
How to find and change the screen DPI?
61312
What is the difference between DPI (dots per inch) and PPI (pixels per inch)?
25
CSS media queries: max-width OR max-height
57409
What is a good general document size for web page mockups and prototypes?
105269
Graphical output sizes
149933
How to estimate camera sensor size?