CSS Unit Converter (px ↔ rem ↔ em ↔ pt)
Convert between CSS units. Set your project's root font size for accurate rem calculations.
Features
Custom root font size
px ↔ rem ↔ em ↔ pt
CSS code snippet output
How to Use
1. Set the root font size (default 16px).
2. Type a value into any unit field.
3. All other units update automatically.
Frequently Asked Questions
What is the default root font size?
The default root font size in browsers is 16px, which means 1rem = 16px.
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