Percentage to VW/VH Converter

Convert percentage values to viewport width (VW) and height (VH) units for truly responsive designs that adapt to any screen size.

How Percentage to VW/VH Conversion Works

Viewport units (VW and VH) in CSS are relative to the size of the browser viewport. This tool helps you calculate the viewport unit value that corresponds to a percentage of the viewport dimensions.

The conversion is simple because percentage and viewport units are directly comparable:

1% = 1vw (for width) or 1vh (for height)

Key Definitions:

Practical Examples:

/* Full width element */ .full-width { width: 100vw; } /* Same as width: 100% */ /* Half viewport height */ .half-height { height: 50vh; } /* Same as height: 50% */ /* Square that's 90% of viewport width */ .square { width: 90vw; height: 90vw; /* Maintain aspect ratio */ }

When to Use Viewport Units:

Important Considerations: