How big is an inch example? October 25, 2021 by admin Lots of Examples. An inch is: about the width of a large thumb. exactly 2.54 centimeters (it has a metric definition) >> Click to read more << Related PostsWhat is 2 inch by 2 inch in pixels?What is 3/4 of an inch of an inch?Can you put a 12-inch blade on a 10-inch table saw?How big is an inch visual?How big is a 62 linear inch bag?How big is a 24 inch TV?