Shelf Design Guidelines For ease of shelf access, bookcases are generally no higher than 84 inches. Small bookcases are usually 30 to 42 inches high. The highest shelf in a bookcase should be as high as an average-sized person can comfortably reach - about 72 to 78 inches.
What should be the height between shelves?
The rule of thumb for spacing is 12 inches between each shelf but bump that up to 15 or 18 inches and you enhance that sense of exposure and accessibility.May 19, 2020
What is the standard height between shelves?
Average Shelf Spacing A good average spacing for shelves is between 8 and 12 inches. If you have oversize books to store, you might prefer to increase the spacing to 15 inches.