PX to REM Converter

Convert between px, rem, em, pt, and percentage units for CSS

1rem• Base: 16px

Configuration

Base font size (root)

Enter value

Quick Reference (Base: 16px)

Pixels	REM	EM	Points
8px	0.5rem	0.5em	6pt
10px	0.625rem	0.625em	7.5pt
12px	0.75rem	0.75em	9pt
14px	0.875rem	0.875em	10.5pt
16px	1rem	1em	12pt
18px	1.125rem	1.125em	13.5pt
20px	1.25rem	1.25em	15pt
24px	1.5rem	1.5em	18pt
32px	2rem	2em	24pt
40px	2.5rem	2.5em	30pt
48px	3rem	3em	36pt
64px	4rem	4em	48pt
72px	4.5rem	4.5em	54pt
96px	6rem	6em	72pt

Conversions5 units

Converted values

Pixels

16px

REM

1rem

1em

Points

12pt

Percent

100%

CSS Variables Output

/* Base: 16px */
--size-px: 16px;
--size-rem: 1rem;
--size-em: 1em;
--size-pt: 12pt;

About Pixel to REM Converter

Convert CSS units between pixels, rem, em, and points. Includes quick reference table and copy-ready CSS values.