CSS CSS Length Units Reference

Pixels — device-independent pixel

Relative to current element font-size

Relative to root element font-size

1% of viewport width

1% of viewport height

1% of smaller viewport dimension

1% of larger viewport dimension

1% of small viewport width

1% of small viewport height

1% of dynamic viewport width

1% of dynamic viewport height

1% of large viewport height

Percentage of parent element

Width of "0" character in current font

x-height of current font

Line height of current element

Line height of root element

1% of container query width

1% of container query height

1% of smaller container dimension

1% of larger container dimension

Centimeters (1cm = 37.8px)

Millimeters (1mm = 3.78px)

Inches (1in = 96px)

Points (1pt = 1.33px)

Picas (1pc = 16px)