rem to cm CSS Converter
Convert Root em to Centimeter. Assumes 1rem = 0.423333cm 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 Centimeter
cm
Context
Common values
0.25rem 0.105833cm
0.5rem 0.211667cm
0.75rem 0.3175cm
1rem 0.423333cm
1.25rem 0.529167cm
1.5rem 0.635cm
2rem 0.846667cm
3rem 1.27cm
4rem 1.6933cm