CSS Unit Converter

Convert between CSS units. Supports px, rem, em, %, vw, vh, pt, cm, mm, and in. Configurable base font size and viewport dimensions.

Input

Settings

Base font sizepx

Viewport widthpx

Viewport heightpx

All conversions

rem

0.833333

1.481481

0.423333

4.233333

0.166667

Common Conversions (base 16px)

1rem = 16px

0.75rem = 12px

0.875rem = 14px

1.125rem = 18px

1.25rem = 20px

1.5rem = 24px

2rem = 32px

1pt = 1.333px

1cm = 37.795px

1in = 96px

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