Font Size Converter

Font Size Converter – Free PX ↔ EM ↔ REM ↔ PT ↔ % Tool

Convert PX, EM, REM, PT & % instantly with live preview

The quick brown fox jumps over the lazy dog.

How This Font Size Converter Helps You

Web designers and developers often need to switch between different CSS font-size units like pixels (px), em, rem, points (pt), and percentages (%). Doing the math manually is slow and error-prone.

Benefits

  • Instant Results: Type any value and see all other units update live.
  • Live Preview: Visualize the actual size on screen immediately.
  • Responsive & Fast: Works on mobile, tablet, and desktop without install or ads.
  • Copy CSS: One-click copy of the ready-to-use CSS rule.
  • Offline Ready: Service-worker makes the tool available even without internet.

Whether you’re converting px to rem for accessibility, pt to px for print stylesheets, or % to em for flexible layouts, this tool saves time and guarantees accuracy.