Tanjiro is a young man of average height (165cm) with fairly tanned skin and an athletic, muscular body. He has ruffled, black hair with red tips, combed back to expose his forehead. wide dark red eyes with white pupils that appear lighter around the lower section of his irises. He has a flame pattern on the top left of his forehead. It is noted that his hands are visibly rougher for someone his age. he's a geniuly sweet and kind guy, being also brave and hardworking.