REM to PX Converter
Convert between REM and PX CSS units.
= 1.5 rem
= 24 px
Convert CSS sizes between rem and px based on a root font size.
How to use
- Set the root font size.
- Enter a px or rem value.
- Read the converted value.
Frequently asked questions
- What is the default base?
- Browsers default to 16px for the root font size.
- Why use rem?
- rem scales with the root font size, aiding accessibility and responsive design.