What does this tool do?
Points are a print unit equal to 1/72 inch, while CSS pixels relate to a 96 PPI reference. This converter applies the actual pixels-per-inch of the output device so type sizes can be compared accurately.
The Formula
Pixels = Points × PPI ÷ 72; points = pixels × 72 ÷ PPIFrequently Asked Questions
How many pixels is 12 pt?
At the CSS reference of 96 PPI, 12 pt is 16 px. At 72 PPI it is 12 px, which is why the same point size looks different on different devices.
Should I use pt or px on the web?
Use px or rem for screen CSS and reserve points for print stylesheets. Browsers map 1 pt to 4/3 CSS pixels at the standard reference.