REM to PX Converter
Convert Root EM (REM) units to absolute Pixels (PX).
About REM to PX Converter
The REM to PX converter translates root-relative REM units into absolute pixel values, essential for understanding exact sizes in your CSS layouts. REM (Root EM) units are relative to the root element's font size, typically 16px by default in browsers. This converter helps developers visualize the actual pixel dimensions of REM-based designs.
Formula
Examples
Reference
- • Default root font size: 16px (browser standard)
- • 1 REM = root <html> element font-size
- • REM units remain consistent throughout the document
- • Users can adjust root font size in browser settings for accessibility
Frequency Asked Questions
How do I convert 2rem to pixels?
Using the default 16px root font size: 2 × 16 = 32px.
What if I don't know my root font size?
The browser default is 16px unless explicitly changed via CSS on the html element.
Why convert REM to PX?
To visualize exact sizes, debug layouts, and ensure elements meet size requirements.
Does REM to PX change on different screens?
Not automatically, but users can change their default browser font size, altering the value of 1rem.
What are common REM values?
At 16px root: 0.75rem=12px, 1rem=16px, 1.25rem=20px, 1.5rem=24px, 2rem=32px.