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1440px

2.5em to px

2.5em is 40px at the default 16px root font size.

2.5em in px · 16px root
40 px

px = em × parent font size — shown here at the browser default root font size of 16px.

2.5em at every root font size

2.5em converted at each common root font size
Root font size2.5em equalsCSS
10px25pxfont-size: 25px;
12px30pxfont-size: 30px;
14px35pxfont-size: 35px;
16px default40pxfont-size: 40px;
18px45pxfont-size: 45px;
20px50pxfont-size: 50px;

Converter

Nearby values

empx
1em16px
1.25em20px
1.5em24px
2em32px
2.5em40pxthis page
3em48px

Questions

What is 2.5em in px?

2.5em = 40px at the browser default root font size of 16px. px = em × parent font size.

What is 2.5em in px at a different root size?

At 10px root: 25px. At 12px root: 30px. At 14px root: 35px. At 16px root: 40px. At 18px root: 45px. At 20px root: 50px.

How is 2.5em calculated?

px = em × parent font size. Here: 2.5 × 16 = 40.

All em values

Computed from the CSS Values and Units specification. See the full em to px table.