Which is Better to Use in CSS: px, em, or rem

px to rem  It is a relative unit of measurement, so different browsers and devices interpret it differently To calculate the exact number of pixels, use the following REM to PX Converter is a free online tool you can use to easily convert rem to px Keep in mind that 1rem is equal to the root font-size, in

Pixels are an absolute unit, so when you set the font size to 24 pixels, it's going to be 24 pixels Rems, on the other hand, are relative units By default, most browsers use a font size value of 16px So, if the root element is 16px, an element with the value 1rem will also equal 16px

Pixel to Rem Conversion Table A useful px to rem conversion table that I created for use in my CSS documents Thought I'd share it for others to use This While PX, EM, and REM are primarily used for font sizing, %, VW, and VH are mostly used for margins, padding, spacing, and widthsheights