CSS Unit Converter
Convert CSS units from Pixels (px) to REM or EM values. Calculate relative font sizes based on your root font size for building perfectly responsive websites.
px
Common Conversions (@ 16px base)
12px
0.75rem
14px
0.875rem
16px
1rem
18px
1.125rem
20px
1.25rem
24px
1.5rem
32px
2rem
48px
3rem
64px
4rem