ToolForge

PX to REM / EM Converter

Convert pixels to REM or EM based on your root font size (16px default) - handy for responsive CSS.

How to use

Enter a value and root font size, pick a direction, and get the result plus formula instantly.

Related Tools

ASCII TableFull ASCII reference table (0-127) with decimal, hex, binary and characters. CSV to JSON ConverterConvert CSV to JSON or an HTML table, supporting commas, semicolons, tabs and headers. Excel Column Letter ConverterConvert Excel column letters to numbers and back (A=1, AB=28, XFD=16384) for formulas and scripts. JSON Formatter, Minifier & ValidatorFormat, minify and validate JSON online, with clear error messages. JSON Formatter & ValidatorFormat, validate and minify JSON online with custom indentation for developers. Markdown Live EditorLive Markdown editor with split-pane preview - headings, lists, tables, code blocks, links and images.

Data is processed entirely in your browser; nothing is uploaded to our servers.