CSS Unit Converter

PX to EM Converter

Instant, two-way conversion relative to the parent font size.

px · 1em = 16px

CSS output

font-size: 1em; /* 16px */

Common px to em conversions

Based on a parent element font size of 16px.

pxem
4px0.25em
8px0.5em
10px0.625em
12px0.75em
14px0.875em
16px1em
18px1.125em
20px1.25em
24px1.5em
28px1.75em
32px2em
36px2.25em
40px2.5em
48px3em
56px3.5em
64px4em
72px4.5em
80px5em
96px6em
120px7.5em

How it works

pxem: em = px / parent font size. empx: px = em * parent font size. With a parent font size of 16px, 24px = 1.5em and 2em = 32px. Change the parent size above to match your context.

FAQ

Divide the pixel value by the parent element's font size. Inside a 16px parent: em = px / 16, so 24px = 1.5em. Inside a 20px parent, 24px = 1.2em.

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