px
Common Sizes
Convert PX to REM/EM
Convert between pixels and relative units for responsive web design. Our free converter handles PX to REM and PX to EM conversions, essential for accessible, scalable CSS. Set your base font size for accurate calculations.
How to Use This Calculator
- Enter pixel value
- Set base font size (default 16px)
- View REM and EM equivalents
- Copy CSS values
Features
- PX to REM conversion
- PX to EM conversion
- Custom base font size
- Common sizes reference table
- CSS code output
Frequently Asked Questions
Is this PX to REM Converter free to use?
Yes, our PX to REM Converter is completely free to use with no registration or signup required. Use it as many times as you need.
How accurate is the PX to REM Converter?
Our calculator uses standard mathematical formulas and provides accurate results. For critical financial or health decisions, always consult with a qualified professional.
Does this tool work on mobile devices?
Yes, this tool is fully responsive and works on all devices including smartphones, tablets, and desktop computers.