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Px to Vw Converter: Responsive Units

Convert pixels to viewport width units instantly. Enter px and viewport width to get responsive vw values for fluid layouts and typography.

Γ·base
Viewport settings
UnitValue
pxPixel16
ptPoint12
pcPica1
cmCentimeter0.42333333
mmMillimeter4.2333333
inInch0.16666667
remRoot em1
emEm1
vwViewport width1.1111111
vhViewport height1.7777778
vminViewport minimum1.7777778
vmaxViewport maximum1.1111111
exx-height (approx)2
chCharacter width (approx)1.6666667
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Convert Pixels to Vw

Enter a pixel value to convert it to viewport width units. The conversion expresses your px size as a percentage of the viewport width, so layouts and type scale with the window instead of jumping between breakpoints.

Common Pixel to Vw Values (1440px Viewport)

Pixels Vw (1440px) Vw (390px mobile) Use Case
16px 1.111vw 4.103vw Body text reference
24px 1.667vw 6.154vw Card heading
32px 2.222vw 8.205vw Section title
48px 3.333vw 12.308vw Hero heading
64px 4.444vw 16.410vw Display type

Fluid Type Without Breakpoints

The classic pattern pairs vw with clamp so type never escapes bounds:

h1 {
  font-size: clamp(1.75rem, 1rem + 3vw, 3rem);
}

The rem terms anchor accessibility (user zoom still works); the vw term adds fluid growth. Convert your target px sizes here, drop them into clamp, and one line replaces a stack of media queries.

How to Use

  1. The tool opens with 16px pre-filled
  2. Type any pixel value in the input field
  3. Set the viewport width to your design or device width
  4. Copy the vw value, ideally inside a clamp expression

Mobile Caveat

On phones 100vh has a known issue with browser chrome; prefer 100dvh for visible height. The same caution applies to vw only in that scrollbars can steal a few pixels. Test on a real device before shipping hero type.

For font relative units try Px to Rem, or see every unit in the full CSS Units Converter.

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