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🔤 PX to EM Converter
Convert between pixels, em, and rem units with a customizable base font size.
How PX to EM Conversion Works
In CSS, px (pixels) are absolute units while em and rem are relative units. 1 em equals the font size of the parent element, and 1 rem equals the root font size (typically 16px). To convert px to em: divide by the parent font size. To convert px to rem: divide by 16. Using relative units like em and rem helps create responsive designs that scale properly across devices.
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