EM to VH Converter (Online)
Convert EM units to Viewport Height (VH).
About EM to VH Converter (Online)
The EM to VH converter enables developers to translate font-relative EM units into viewport height (VH) units for vertical responsive design. This conversion is particularly useful for full-height sections, vertical spacing systems, and elements that need to scale with screen height rather than width.
Formula for EM to VH Converter (Online)
VH = ((EM × Base Font Size) ÷ Viewport Height) × 100
Examples
2em (16px base, 1080px view)
=
2.96vh
1.5em (16px base, 844px view)
=
2.84vh
3em (20px base, 667px view)
=
8.99vh
Reference
- • 1vh = 1% of viewport height
- • Useful for hero sections & liquid layouts
- • Context dependent on viewport height
- • Consider dvh/svh for mobile browsers
Frequently Asked Questions for EM to VH Converter (Online)
What is VH?
Viewport Height. 1vh is 1% of viewport height.
When to use VH?
Vertical spacing, full-screen sections.
Orientation effect?
Rotating device changes viewport height significantly.
Mobile address bar?
Use dvh/svh to handle mobile UI chrome.