Modern floor lamps do more than just illuminate a room. Before buying a modern floor lamp, you should decide where you are going to put it and how you will utilize the lighting. You can also reduce your electric bill by choosing a modern floor lamp with a good wattage range. The general rule of thumb is a modern floor lamps should be about the same height as the top your head, so most are between five and six feet high. You can save money by purchasing a modern floor lamp online, but you should review the measurements of the product before doing so.