A floating shelf's starting point should be at eye level, with the standard height being four to five feet from the ground.

For example, if you don’t have space for a big bookshelf, slot a few floating shelves above existing furniture, hallway, or home office to display and store your books.

Best Scandi-Style Shelf: Umbra Bellwood Over-The-Toilet Shelf, $180 Best Metal Design : Pottery Barn Everson Over-the-Toilet Ladder , $499 Best for Closed Storage : Hokku Designs Freestanding Over ...