Px to Rem Converter
Convert Pixels to Rem units based on your project's base font size.
Tailwind Reference
About Px to Rem Converter
In modern web design, using REM units instead of fixed pixels is crucial for accessibility and responsive scaling. Our Px to Rem converter helps you quickly translate design file values (from Figma or XD) into CSS-ready REM units. It defaults to the browser standard of 16px but can be customized for any project requirement.
Key Features
- Instant conversion as you type or change base values.
- Tailwind CSS reference scale included for fast class lookup.
- Customizable base font size (defaults to 16px).
- One-click copy function that includes the 'rem' suffix.
- Clean, high-contrast dark mode design.
How to use Px to Rem Converter?
- Enter the pixel value from your design file in the 'Pixels' box.
- If your project uses a non-standard base size, update the 'Base Size' field.
- View the calculated REM value instantly in the result card.
- Click the button to copy the value to your clipboard for use in your CSS or Tailwind config.
FAQ
Why use Rem instead of Px?
REM units are relative to the root font size. This allows a user's browser settings (like increased text size for accessibility) to scale the entire website properly, which fixed pixels cannot do.
What is the standard base size?
Almost all modern browsers use a default root font size of 16px. Our tool starts with this value by default.
Does this work for Tailwind CSS?
Yes! We've included a reference guide for Tailwind's spacing scale (e.g., w-4 = 1rem = 16px) to help you choose the right utility classes.
100% Privacy Guaranteed
All processing happens locally in your browser. We never see, store, or transmit your data. This tool is fully client-side and secure.