What is a Viewport Width (vw)?

vw (viewport width) is a CSS unit equal to 1% of the viewport's width. On a 1920px wide screen, 1vw equals 19.2px.

Definition

Symbol

vw

Category

CSS Units

System

CSS

1 {unit} = {value} {otherUnit}

1 Viewport Width = 19.2 Pixel (px)

1 Viewport Width = 1.2 Rem (rem)

1 Viewport Width = 1.2 Em (em)

1 Viewport Width = 14.4 Point (pt)

1 Viewport Width = 1.2 Pica (pc)

Common Uses

  • Responsive typography
  • Full-width layouts
  • Fluid sizing

Viewport Width Conversions

Related Units