What is a universal inch when measuring windows?

Question

What is a universal inch when measuring windows?

Answer 1

It's the same thing as a regular inch in the U.S.  It's also known as the "international inch", even though very few countries use it.

Answer 2

And this has WHAT to do with Home Theater ELECTRONICS, the subject of this forum?

Answer 3

perhaps they meant to say "international inch"

this is what we call the inch and that is used in north america and the uk

*perhaps if this were 600 years ago there would be a few different inches to go by depending on the size of the town census guys feet

*made up

Answer 4

an inch worm....

Answer 5

one inch spacing all the way around the whole window.