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1440px

2.5rem to px

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

2.5rem in px · 16px root
40 px

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

2.5rem at every root font size

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

Converter

Nearby values

rempx
1.5rem24px
1.75rem28px
2rem32px
2.25rem36px
2.5rem40pxthis page
2.75rem44px
3rem48px
3.5rem56px
4rem64px

Questions

What is 2.5rem in px?

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

What is 2.5rem 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 2.5rem calculated?

px = rem × root font size. Here: 2.5 × 16 = 40.

All rem values

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