Open a px-to-rem spacing scale example
Convert 12, 14, 16, 20, 24, 32, and 48px to rem with a 16px root size.
Open examplePX REM 字号间距转换查看
输入像素值和根字号，批量查看 px、rem、em 和常见 CSS 间距/字号换算结果，适合前端还原设计稿和响应式排版检查。
像素值、根字号和精度例如 16 18 24 32 | 16 | 4
px
适合把设计稿字号、间距、圆角和断点辅助值批量换算为 rem；不会保存输入。
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FAQ
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px 转 rem 怎么算？
rem = px ÷ 根字号。例如根字号 16px 时，24px 等于 1.5rem。
适合设计稿还原吗？
适合。它可以把 Figma、Sketch 或截图里的像素字号和间距快速换成 rem，但仍需要结合项目的实际根字号和缩放策略复核。
What is a px-to-rem converter best for?
It is best for translating design font sizes, spacing, radii, and component measurements into reusable rem values.
Which root font size should I use?
Use 16px by default, but enter your actual project root size if html font-size or mobile scaling is customized.
Related long-tail searches
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