px ↔ rem Converter

Convert between px and rem for any root font size, with a quick reference table of common values.

Root font size (px)

Pixels

↔

Rem

rem

Reference (16px base)

1px0.0625rem

2px0.125rem

4px0.25rem

8px0.5rem

10px0.625rem

12px0.75rem

14px0.875rem

16px1rem

18px1.125rem

20px1.25rem

24px1.5rem

28px1.75rem

32px2rem

40px2.5rem

48px3rem

64px4rem

80px5rem

96px6rem

Edit either field and the other follows, using the root font size above (browsers default to 16px). All local.