CSS Unit Converter

Convert between CSS units with configurable base font-size and viewport dimensions.

Value

From Unit

px

input

Pixels

16

rem

Root EM

1

em

EM (parent)

1

%

Percent

100

vw

Viewport Width

1.11111

vh

Viewport Height

1.77778

pt

Points

12

cm

Centimeters

0.423333

mm

Millimeters

4.23333

in

Inches

0.166667

Base Settings

Root font-size (px)

Parent font-size (px)

Used for em and %

Viewport width (px)

Used for vw

Viewport height (px)

Used for vh