A king bed frame is a large bed frame designed to support a king mattress, which measures 76 inches wide by 80 inches long. This size provides ample space for couples or individuals who enjoy extra room while sleeping. King bed frames come in various styles, materials, and designs, including wood, metal, and upholstered options. In addition to providing support for the mattress, a king bed frame often includes features like storage drawers or a headboard. Many frames are designed to elevate the mattress, making it easier to get in and out of bed. Overall, a king bed frame enhances both comfort and bedroom aesthetics.