It’s very difficult to choose the tiles for your project because of the wide selection on the market. Large format tiles becomes more popular nowadays than smaller tiles. Simply because it’s less grout joints, less cleaning and variety of colors and designs. The most popular sizes of porcelain tiles for a bathroom will be 12×24, 24×24 and 24×48 inches. Smaller tiles still might be the option for your shower walls or backsplash, simply by installing them in herringbone or brick pattern which gives you a modern and unique look.