Inches to EM Converter
Convert Inches (in) to EM.
About Inches to EM Converter
The Inches to EM converter helps web developers and designers translate physical measurements into EM units, a relative CSS measurement based on the parent element's font size. Unlike REM which references the root element, EM units cascade through parent elements, making them useful for component-based designs where elements should scale together.
Formula
Examples
Reference
- • Default parent font size: 16px
- • Standard web DPI: 96 PPI
- • 1 inch = 6 em (at 96 DPI and 16px parent)
- • EM compounds through nested elements
Frequency Asked Questions
What is an EM unit?
EM is a relative CSS unit equal to the computed font size of the element's parent. If the parent font size is 16px, then 1em = 16px.
When should I use EM instead of REM?
Use EM when you want elements to scale relative to their immediate context, like button padding scaling with button font size. Use REM for consistent global measurements.
How many EM is an inch?
At standard web settings (96 DPI, 16px parent font), 1 inch equals 6 em. This varies with DPI and parent font size.
Do EM units compound?
Yes, EM values multiply through nested elements. If a parent has 1.5em and a child has 2em, the child is effectively 3em relative to the grandparent.