PX to VW Converter
Calculate relative Viewport Width (VW) units for fluid, responsive layouts.
About PX to VW Converter
The PX to VW converter is a powerful tool for creating truly responsive designs that scale fluidly with the viewport width. VW (Viewport Width) units represent a percentage of the browser's width, where 1vw equals 1% of the viewport width. This converter requires the viewport width context (typically 1920px for desktop, 1440px, or 375px for mobile) to accurately calculate VW values from pixels.
Formula
Examples
Reference
- • 1 VW = 1% of viewport width
- • Common desktop viewport: 1920px, 1440px, 1366px
- • Common mobile viewport: 375px, 414px, 360px
- • VW units are resolution-independent and scale with browser width
- • Defined in CSS Values and Units Module Level 3
Frequency Asked Questions
What does VW mean in CSS?
VW stands for 'Viewport Width.' 1vw equals 1% of the browser viewport's width. On a 1920px wide screen, 1vw = 19.2px.
Why use VW instead of percentages?
VW is always relative to the viewport width, while percentages are relative to the parent element. VW provides more predictable scaling for full-width designs.
Can VW cause text to become too small on mobile?
Yes. Use CSS clamp() or combine VW with minimum pixel values: font-size: max(16px, 2vw) ensures text never goes below 16px.
How do I convert 50px to VW for a 1920px viewport?
Using the formula: (50 ÷ 1920) × 100 = 2.604vw.
Are VW units good for typography?
Yes, but use cautiously. Combine with clamp() for min/max bounds: font-size: clamp(16px, 2vw, 24px) keeps text readable.