PX to REM Converter - Convert CSS Font Units
Convert pixels to rem/em and back using a root font size. Useful for responsive typography and consistent scaling.
Benefits
- Standardize typography across breakpoints
- Convert design values quickly
- Use the right root size for your project
Use cases
- Adopt rem-based spacing systems
- Match Tailwind/Design tokens to CSS values
- Audit legacy px values
Field guide
- PX: the pixel value to convert
- Root (px): the base font-size (e.g. 16)
- Convert: outputs rem/em equivalents