VW to PX Converter

Convert viewport width units to pixels for precise control in your web designs

VW to PX Calculator

About Viewport Width Units:

VW (viewport width) units represent a percentage of the browser's viewport width. 1vw equals 1% of the viewport width. This converter translates vw values back to pixels based on a specific viewport size.

px
Most common desktop width is 1366px
vw
The vw value you want to convert
Conversion Result
13.66px
1vw = 13.66px
Viewport: 1366px

Formula: Pixels = VW value × (Viewport Width ÷ 100)

Example: 1vw × (1366px ÷ 100) = 13.66px

Device Comparison

See how this value converts across different viewport widths:

Device Viewport Width VW Value Pixel Value

Batch Converter

Convert multiple VW values at once. Enter values separated by spaces, commas, or new lines.

Batch Results
VW Pixels CSS Code

Common VW to Pixel Conversions

Reference table for commonly used VW values at different viewport widths:

VW Value Desktop HD (1920px) Desktop (1366px) Tablet (768px) Mobile (375px)
1vw 19.2px 13.66px 7.68px 3.75px
5vw 96px 68.3px 38.4px 18.75px
10vw 192px 136.6px 76.8px 37.5px
25vw 480px 341.5px 192px 93.75px
50vw 960px 683px 384px 187.5px
75vw 1440px 1024.5px 576px 281.25px
100vw 1920px 1366px 768px 375px

Frequently Asked Questions

Converting from VW to pixels is useful in several scenarios:

  1. Debugging and Precision - When you need to know the exact pixel value a VW-based element will have on a specific device for debugging or fine-tuning layouts.
  2. Mixed Unit Contexts - When you need to combine VW units with pixel-based constraints or calculations.
  3. Fallback Development - When creating fallbacks for browsers with limited viewport unit support.
  4. Design Handoffs - When translating between design tools (which often use pixels) and responsive implementations (which might use VW).
  5. Minimum/Maximum Size Constraints - When setting min-width or max-width values in pixels to keep VW-sized elements within reasonable bounds.

For example, you might set an element to width: 50vw; but want to ensure it doesn't become smaller than 300px with min-width: 300px; - knowing the pixel equivalent helps determine at which viewport width this constraint becomes relevant.

The formula to manually convert VW to pixels is simple:

Pixels = VW value × (Viewport Width ÷ 100)

Step-by-step process:

  1. Identify the viewport width in pixels
  2. Divide the viewport width by 100 to get the value of 1vw in pixels
  3. Multiply the result by your VW value

Example 1: Convert 10vw to pixels on a 1366px viewport

10vw = 10 × (1366 ÷ 100) = 10 × 13.66 = 136.6px

Example 2: Convert 25vw to pixels on a 768px viewport

25vw = 25 × (768 ÷ 100) = 25 × 7.68 = 192px

Remember that the pixel equivalent of a VW value will always change proportionally with the viewport width, which is what makes VW units responsive.

VW (viewport width) units and percentage widths may seem similar, but they have important differences:

VW Units Percentage (%)
Always relative to the viewport width Relative to the parent element's width
1vw = 1% of viewport width 1% = 1% of parent element width
Works consistently at any nesting level Compounds with nested percentage-based elements
Can be used for any CSS property Traditional use primarily for widths, heights, and margins
50vw is always half the viewport width 50% is half of the parent's width (which may not be the full viewport)

Key Distinction: The reference point. VW always refers to the viewport width regardless of the element's position in the DOM hierarchy, while percentages refer to the parent element's width.

Example scenario:

<div style="width: 50%"> <!-- 50% of viewport width -->
  <div style="width: 50%"> <!-- 25% of viewport width (50% of 50%) -->
    <div style="width: 50%"> <!-- 12.5% of viewport width (50% of 25%) -->
    </div>
  </div>
</div>

Contrast with VW:

<div style="width: 50vw"> <!-- 50% of viewport width -->
  <div style="width: 50vw"> <!-- Still 50% of viewport width -->
    <div style="width: 50vw"> <!-- Still 50% of viewport width -->
    </div>
  </div>
</div>

The choice between VW and percentages depends on what you need to be relative to. Use VW when you want elements sized relative to the viewport regardless of parent containers, and percentages when you want elements sized relative to their parent.

Modern CSS provides several powerful ways to combine VW units with pixels for flexible yet controlled layouts:

1. Using the calc() function

The calc() function allows you to mix units in mathematical expressions:

width: calc(300px + 20vw); /* Base size plus responsive component */

This creates a value that has both a fixed component (300px) and a fluid component (20vw).

2. Using min(), max(), and clamp()

These CSS functions allow you to set boundaries for responsive values:

width: min(600px, 80vw); /* Whichever is smaller: 600px or 80vw */
width: max(400px, 50vw); /* Whichever is larger: 400px or 50vw */
font-size: clamp(16px, 2vw, 24px); /* Between 16px and 24px, scaling with viewport */
3. Common Use Patterns
  • Fluid typography:
    font-size: clamp(16px, 1vw + 14px, 24px);

    Creates text that scales smoothly with the viewport but stays within readable limits.

  • Responsive padding:
    padding: calc(10px + 1vw);

    Ensures padding is never too small but grows with screen size.

  • Flexible container with maximum width:
    width: min(1200px, 90vw);

    Container takes 90% of viewport width but never exceeds 1200px.

  • Responsive grid columns with minimum width:
    width: max(300px, 30vw);

    Column takes 30% of viewport width but never gets narrower than 300px.

When combining units, always test across various viewport sizes to ensure your layout responds as expected. Browser support for min(), max(), and clamp() is excellent in modern browsers but may require fallbacks for older browsers.

About VW Units

VW (Viewport Width) units are relative values that represent a percentage of the browser's viewport width. 1vw equals 1% of the viewport width, making them ideal for creating layouts that scale horizontally with the screen.

Benefits of VW Units
  • Responsive Layouts: Elements scale automatically with the viewport width
  • Simplified Sizing: Direct relationship to viewport makes sizes predictable
  • Contextual Independence: Elements sized with VW units maintain their size relative to viewport regardless of parent container
  • Fluid Typography: Text that smoothly scales across different screen widths

This converter tool helps you calculate what a specific VW value will be in pixels at different viewport widths, giving you precise control while still using responsive units.

CSS Usage Examples

Common ways to use VW units in your CSS:

/* Responsive containers */
.container {
  width: 90vw;
  max-width: 1200px;
  margin: 0 auto;
}

/* Fluid typography */
h1 {
  font-size: 5vw;
}

h2 {
  font-size: 3vw;
}

p {
  font-size: clamp(16px, 1.5vw, 22px);
}

/* Responsive spacing */
.section {
  padding: 5vw;
}

/* Responsive images */
.hero-image {
  width: 100vw;
  height: 50vw;
  object-fit: cover;
}

/* Column layouts */
.column {
  width: 30vw;
}

/* Horizontal spacing */
.margin-right {
  margin-right: 2vw;
}

/* Combined with calc() */
.feature {
  width: calc(100vw - 40px);
}

For text elements, consider using clamp() with VW units to ensure they remain readable: font-size: clamp(16px, 2vw, 24px);

Related Converters

PX to VW Converter PX to VH Converter PX to Vmin Converter PX to Vmax Converter All CSS Unit Converters