Inch
Definition 1 of 3
Pro Tip 1/3
Visual Comparison
Imagine the width of a standard thumb; that's approximately one inch. When you don't have a ruler, estimate measurements by picturing an inch as a thumb's width.
Pro Tip 2/3
Spatial Relation
An inch can denote a small, precise adjustment in position or dimension. Adjust the margins of your document by an inch for better layout.
Pro Tip 3/3
US and UK Only
The inch is used primarily in the United States and the United Kingdom. The new iPhones have a screen size of 6.1 inches.