Converters · 100% free
Pixel to REM/EM Converter
Convert pixels to REM/EM and back, at any base font size (default 16px).
Any web
24px in REM
1.5000 rem
(strip trailing zeros for CSS)
1.5rem in pixels
24 px
Common values
| px | rem (16 base) |
|---|---|
| 12px | 0.75rem |
| 14px | 0.875rem |
| 16px | 1rem |
| 18px | 1.125rem |
| 20px | 1.25rem |
| 24px | 1.5rem |
| 32px | 2rem |
| 48px | 3rem |
| 64px | 4rem |
About this tool
CSS pixel to rem/em conversion is base-relative. Calculator handles any base size; useful for design system token mapping.
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