CSS Unit Converter — Convert px, rem, em, %, vw, vh
Quickly convert between popular CSS units. Set root font size or viewport dimensions and get responsive, scalable CSS outputs.
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Why Use This Tool?
Whether you're designing responsive websites or adjusting layouts, understanding how CSS units convert helps you build more scalable interfaces. This tool gives you real-time conversion and visual feedback.
Use Cases
- 🔁 Convert px to rem/em or vice versa
- 📱 Convert px to vw/vh for viewport-based designs
- 🔍 Test font sizing across units
- 🧪 Preview CSS before applying it
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