REM to PX Converter
Convert rem and px values instantly with a custom root font size and a practical frontend sizing table.
16.00px
1.0000rem
0.75rem
12.00px
0.875rem
14.00px
1rem
16.00px
1.125rem
18.00px
1.25rem
20.00px
1.5rem
24.00px
2rem
32.00px
3rem
48.00px
Designed for CSS Workflows
Bi-directional conversion
Convert rem to px and px to rem in the same interface.
Custom root size
Match your app, design system, or browser baseline font size.
Scale reference grid
See common typography values converted instantly.
Frequently Asked Questions
What root size does rem use?
By default most browsers use 16px, but many design systems override the root size. This tool lets you change it directly.
Why convert rem to px?
Designers and frontend engineers often need px equivalents for specs, QA checks, spacing systems, and typography audits.
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