em to px converter
Convert em to px for any base font size. The output updates as you type, with a reference table covering common values.
Try 16, 24, 1.5
Updates as you type
Default 16px — change to match your project.
How to use this tool
- 1Enter the em value you want to convert.
- 2Set your project’s base font size (defaults to 16px).
- 3Read the px equivalent and copy it for your stylesheet.
About this tool
em scales with the parent’s font size. Converting to px gives you the absolute value at a given parent size, useful when handing off a component spec.
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Frequently asked questions
Short answers to what people ask most.
What base font size does this converter use?
Why use px instead of em?
Is the conversion exact?
Does this work offline?
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