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Rhad ac am ddim Pixel to REM Converter

Convert between px, rem, em, pt, vw, vh, and % with a configurable base font size. Includes a reference table for common pixel sizes.

Runs in your browserNo sign-up, no pop-upsNid oes angen mewngofnodiAm ddim am byth
1rem

Context (affects rem/em/vw/vh/%)

All conversions for 16 px
Root EM (rem)1 rem
EM (em)1 em
Points (pt)12 pt
Viewport Width (vw)1.11111 vw
Viewport Height (vh)1.77778 vh
Percent (%)100 %

Common pixel sizes β†’ rem (at 16px base)

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Sut Mae'n Gweithio

1
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Proses
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βœ“Completely free β€” no hidden costs, ever
βœ“No account, email, or login required
βœ“Runs entirely in your browser β€” no uploads
βœ“Works on any device β€” phone, tablet, desktop
βœ“Open and ad-supported, with no tracking
βœ“Loads fast, with no installation needed

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