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1440px

3rem to px

3rem is 48px at the default 16px root font size.

3rem in px · 16px root
48 px

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

3rem at every root font size

3rem converted at each common root font size
Root font size3rem equalsCSS
10px30pxfont-size: 30px;
12px36pxfont-size: 36px;
14px42pxfont-size: 42px;
16px default48pxfont-size: 48px;
18px54pxfont-size: 54px;
20px60pxfont-size: 60px;

Converter

Nearby values

rempx
2rem32px
2.25rem36px
2.5rem40px
2.75rem44px
3rem48pxthis page
3.5rem56px
4rem64px
4.5rem72px
5rem80px

Questions

What is 3rem in px?

3rem = 48px at the browser default root font size of 16px. px = rem × root font size.

What is 3rem in px at a different root size?

At 10px root: 30px. At 12px root: 36px. At 14px root: 42px. At 16px root: 48px. At 18px root: 54px. At 20px root: 60px.

How is 3rem calculated?

px = rem × root font size. Here: 3 × 16 = 48.

All rem values

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