Viewport (vw/vh)
Calculate Viewport (vw/vh) instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.
Viewport (vw/vh)
Viewport widthpx
Target width (vw)
Size in px
960
More about: Viewport (vw/vh)
What it calculates
The “Viewport (vw/vh)” calculator computes Size in px from 2 parameters: viewport width (px), target width (vw).
Standard IT calculations for developers and sysadmins.
Example calculation
With parameters Viewport width = 1,920 px, Target width (vw) = 50 the result is 960.
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
- Copy the result or bookmark the page.