CSS Unit Converter

Convert between px, rem, em, %, vh, vw, and pt

Value

From Unit

Converted Values

rem

1rem

em

1em

%

100%

vh

1.481vh

vw

0.833vw

pt

12pt

Conversion Settings

Base Font Size (px)

Viewport Width (px)

Viewport Height (px)

Unit Reference

px (Pixels)

Absolute unit, fixed size

rem (Root em)

Relative to root font size

em

Relative to parent font size

% (Percent)

Relative to parent element

vh (Viewport Height)

1% of viewport height

vw (Viewport Width)

1% of viewport width