CSS 单位转换器 — px/rem/em/vw/vh/pt/%
在 px、rem、em、vw、vh、pt 和百分比之间转换 CSS 单位，支持自定义根字体大小。
Settings
Converted Values
Click any row to use that value as the new input.
Common Presets
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- Enter a value and select the source unit
- Set root font-size (default 16px)
- Set viewport dimensions if using vw/vh
- See all conversions instantly
- Copy any converted value
Use Cases
- Converting px designs to rem
- Responsive design calculations
- Understanding relative units
- Design system unit standardization