Enter a base font size (e.g. 16px) and pixel values to convert to rem and em. Standard for responsive typography in CSS.
rem: —
em: —
About Pixel to Rem Converter
Rem and em are relative CSS units. Rem is relative to the root font size; em to the parent. This tool converts px to rem/em for a given base (e.g. 16px). All calculations run in your browser.
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Why use rem instead of px?
Rem scales with the user's font size settings, improving accessibility. It also simplifies responsive design when the root font size is set per breakpoint.
Is my data sent to a server?
No. All calculations happen in your browser. Nothing is uploaded.