rem to px CSS Converter
Convert Root em to Pixel. Assumes 1rem = 16px at the default 16px root font-size and 1920×1080 viewport. Adjust root context below for precise rem/em/vw/vh calculations.
Input Root em
rem
Result Pixel
px
Context
Common values
0.25rem 4px
0.5rem 8px
0.75rem 12px
1rem 16px
1.25rem 20px
1.5rem 24px
2rem 32px
3rem 48px
4rem 64px