A full-size bed, also known as a double bed, measures 54 inches wide and 75 inches long. It provides enough space for one or two people to sleep comfortably. This size is popular for guest rooms and smaller bedrooms, offering a balance between space efficiency and comfort. Full-size beds are compatible with various bedding options, including mattresses, sheets, and comforters. They are available in different styles and materials, making it easy to find one that fits your decor. Additionally, full-size bed frames often come with storage options, maximizing space in smaller living areas.