Measure the width and height of the table where the lamp will sit.The lamp should be no more than 1.5 times the height of table on which the lamp is sitting. The lampshade diameter should not be wider than the table top.Ensure that the bottom of the shade is at eye level when you are seated, to avoid any glare.Living Room: Consider up to 34 inches (height) Bed Room: Consider up to 30 inches (height) on bedside tables