CSS Unit Converter
Convert between px, rem, em, pt, cm, mm, vw, vh, and % — with adjustable root font size, parent size, and viewport
💡 Notes
• rem: relative to root font size (adjust above, default 16px)
• em / %: relative to parent element font size
• vw / vh: relative to viewport width/height (adjust above)
• pt: 1pt = 1/72 inch · pc: 1pc = 12pt · in: 1in = 96px at 96dpi
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