PX to REM / EM Converter & Typography Calculator
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Convert Pixels (px) to REM, EM, Points (pt), and Percentages (%) with customizable base font size and live CSS snippet generation.
px
Formula:
REM = PX ÷ Base
Pixels to REM & Other Units
REM
1.5rem
EM
1.5em
Points (PT)
18pt
Percent (%)
150%
REM to Pixels
Pixels (PX)
32px
Points (PT)
24pt
CSS Declaration
font-size: 2rem; /* 32px */
Live Typography Preview
24px / 1.5rem
The quick brown fox jumps over the lazy dog.
Standard Scale Cheat Sheet
| Pixel (px) | REM | EM | Points (pt) | Percent (%) | Action |
|---|
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Direct In-Browser Handoff
Developer Scaffolding & Code Generation
Chain this tool with complementary private browser utilities for a complete zero-server workflow:
How to Use the PX to REM / EM Converter & Typography Calculator
Convert CSS units in real time. Features bidirectional PX to REM and REM to PX calculation, a responsive typography cheat sheet table, customizable root HTML font size, and ready-to-copy CSS rules.
Privacy & Data Processing Notice
No user data leaves your browser. Computation is executed entirely on your device. We do not store, view, or transmit your inputs over our network. Your computation remains on your personal machine.
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