📐
PX转REM
在像素和REM单位之间转换
Common Conversions
嵌入此工具
×
px
ℹ️ 关于 Px To Rem
Convert between pixels (px) and rem/em units for CSS. Essential for responsive web design. Customize base font size.
💡 使用场景
Responsive web design
Converting design specs
Accessibility-friendly sizing
CSS framework development
Design to code translation
📋 使用方法
1
Enter a value in px or rem
2
Set your base font size
3
View the conversion
4
Copy the CSS value
💎 Pro Tips
- Default base: 16px = 1rem
- rem is relative to root font size
- em is relative to parent font size
❓ Frequently Asked Questions
Rem respects user font size preferences - better accessibility.
rem is relative to html/root; em is relative to parent element.
16px is browser default and most common base size.