📐PX to REM Converter
Convert pixel values to REM and EM units for CSS.
🆓 Free🔒 Secure⚡ Instant📱 Mobile-friendly🚫 No signup
Convert px to rem and em online for free. Includes reference table for common font sizes.
24px in REM
1.5000rem
24px in EM
1.5000em
Common Sizes (base: 16px)
8px
0.500rem
0.500rem
10px
0.625rem
0.625rem
12px
0.750rem
0.750rem
14px
0.875rem
0.875rem
16px
1.000rem
1.000rem
18px
1.125rem
1.125rem
20px
1.250rem
1.250rem
24px
1.500rem
1.500rem
32px
2.000rem
2.000rem
48px
3.000rem
3.000rem
64px
4.000rem
4.000rem
96px
6.000rem
6.000rem
How to Use PX to REM Converter — Step by Step
- 1Enter a pixel value (e.g. 16, 24, 32) into the input
- 2Set the root font size — defaults to 16px (browser standard)
- 3The rem equivalent is calculated instantly
- 4You can also convert rem back to px
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Frequently Asked Questions
Is this tool completely free?
Yes. All ToolNest tools are 100% free with no signup required, no account, and no watermarks added to output files.
Are my uploaded files secure and private?
All uploads use HTTPS encryption during transfer. Files are processed on secure isolated servers and automatically deleted within 2 hours of upload.
Does this tool work on mobile phones?
Yes. ToolNest works on any modern browser on iPhone, Android, tablet, or desktop — no app download or plugin needed.
Do I need to create an account?
No. Just open the tool, upload your file, and download the result. No email, no signup, no password.