What is of less than average height from top to bottom

Typically, 18" between counter top and base of upper cabinets. Some people change this by an inch or two depending on individual height and so on.

In the kitchen we inherited, the space is 16", I'm fine with it at 5'3", but we will go back to standard height when we redo our kitchen.

Maybe someone else can suggest a website, but honestly, just by reading through here, you are going to find a tremendous number of answers to your que