PX to REM Converter

A simple browser-based tool to convert CSS units between pixels (px) and rem, both ways. Useful for frontend developers working with responsive typography and scalable layouts.

🔗 Live tool: https://csstoolkit.net/px-to-rem

Features

• Convert px to rem
• Convert rem to px
• Instant results, no page reload
• Works directly in the browser, no dependencies

How it works

Enter a value in either field and the tool calculates the equivalent unit based on the base font size (default 16px, the standard browser default).

Tech

Built with HTML, CSS, and JavaScript.