Pixel to Rem Converter

Convert between pixels and rem units with custom base font sizes

Base Font Size Settings

Custom Base Font Size (px)

Common Base Sizes

Pixels (px)

Rem units

rem

16px = 1rem (based on 16px base size)

Font Size

font-size: 1rem;

Margin/Padding

margin: 1rem;

CSS Custom Property

--size: 1rem;

px to rem: rem = px ÷ base font size
rem to px: px = rem × base font size

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