FullCalculator

Pixels to Em Converter

Convert px to em

Formula

em = px ÷ base font size | Default base = 16px | 1em = 16px (default) | rem = px ÷ root font size

Frequently Asked Questions

How do I convert px to em?
Divide the pixel value by the base font size. With the default browser font size of 16px: 24px ÷ 16 = 1.5em. The formula is: em = px ÷ base font size.
What is the difference between em and rem?
Em is relative to the font size of the parent element, while rem (root em) is relative to the root element's font size (usually 16px). Rem is more predictable for consistent sizing across a page.

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