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1440px

10px to rem

10px is 0.625rem at the default 16px root font size.

10px in rem · 16px root
0.625 rem

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

10px at every root font size

10px converted at each common root font size
Root font size10px equalsCSS
10px1remfont-size: 1rem;
12px0.83333remfont-size: 0.8333rem;
14px0.71429remfont-size: 0.7143rem;
16px default0.625remfont-size: 0.625rem;
18px0.55556remfont-size: 0.5556rem;
20px0.5remfont-size: 0.5rem;

Converter

Nearby values

pxrem
4px0.25rem
8px0.5rem
10px0.625remthis page
12px0.75rem
14px0.875rem
16px1rem
18px1.125rem

Questions

What is 10px in rem?

10px = 0.625rem at the browser default root font size of 16px. rem = px ÷ root font size.

What is 10px in rem at a different root size?

At 10px root: 1rem. At 12px root: 0.8333rem. At 14px root: 0.7143rem. At 16px root: 0.625rem. At 18px root: 0.5556rem. At 20px root: 0.5rem.

How is 10px calculated?

rem = px ÷ root font size. Here: 10 ÷ 16 = 0.625.

All px values

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