Toolman

36px to rem

36px = 2.25rem

At the browser default root font size of 16 px. Change it and this number changes — see below.

How it is calculated

One px is 0.0625rem, so:

36px × 0.0625 = 2.25rem

Reversing it, 2.25rem × 16 returns 36px.

36px at other root font sizes

rem is measured against the root element, so the answer above holds only while that is 16 px. A visitor who has raised their browser's default — the accessibility setting rem exists to respect — is reading your page at one of the larger rows.

Root font size36px equals
14 px2.5714rem
16 px (default)2.25rem
18 px2rem
20 px1.8rem
24 px1.5rem

Nearby values

pxrem
18px1.125rem
20px1.25rem
24px1.5rem
28px1.75rem
32px2rem
36px2.25rem
40px2.5rem
48px3rem

Frequently asked questions

What is 36px in rem?

2.25rem at the default 16 px root font size.

How is 36px converted to rem?

Multiply by 0.0625: 36 × 0.0625 = 2.25. To go back, multiply 2.25 by 16.

Is 2.25rem always the answer?

No. rem is relative to the root element, so 36px is 2.25rem only while that is 16 px. The table above gives the value at the sizes you are most likely to meet.

The full PX to REM converter → · All CSS unit converters