A biometric apparatus comprising: a biometric information acquiring unit (22, 24, 28, 29) configured to acquire biometric information of a user, wherein the biometric information acquired by the biometric information acquiring unit (22, 24, 28, 29) includes height, sex, and age of the user, and body composition information of the entire body and on a part-to-part basis of different body parts; a storing unit configured to store a correspondence relation having a ratio of lengths of the body parts with respect to the height, sex and age; an arithmetic operation unit configured to calculate lengths of the body parts of the user on the basis of height, sex, and age of the user acquired by the biometric information acquiring unit (22, 24, 28, 29) and the correspondence relation stored in the storing unit, wherein the arithmetic operation unit is further configured to calculate first diameters of lean body of arms and legs, and second diameters of fat body and lean body of arms and legs on the basis of the lengths of the body parts and the body composition information of the body parts; an image creating unit configured to create a body image in which fat body and lean body of the arms and legs are differentiated on the basis of diameters and lengths of the arms and legs; and a display unit configured to display the body image created by the image creating unit, wherein the body image displayed on the display includes an image indicating the entire figure of the user's body, the entire figure of the user's body including differentiating fat body and lean body of the arms and differentiating fat body and lean body of the legs. a biometric information acquiring unit (22, 24, 28, 29) configured to acquire biometric information of a user, wherein the biometric information acquired by the biometric information acquiring unit (22, 24, 28, 29) includes height, sex, and age of the user, and body composition information of the entire body and on a part-to-part basis of different body parts; a storing unit configured to store a correspondence relation having a ratio of lengths of the body parts with respect to the height, sex and age; an arithmetic operation unit configured to calculate lengths of the body parts of the user on the basis of height, sex, and age of the user acquired by the biometric information acquiring unit (22, 24, 28, 29) and the correspondence relation stored in the storing unit, wherein the arithmetic operation unit is further configured to calculate first diameters of lean body of arms and legs, and second diameters of fat body and lean body of arms and legs on the basis of the lengths of the body parts and the body composition information of the body parts; an image creating unit configured to create a body image in which fat body and lean body of the arms and legs are differentiated on the basis of diameters and lengths of the arms and legs; and a display unit configured to display the body image created by the image creating unit, wherein the body image displayed on the display includes an image indicating the entire figure of the user's body, the entire figure of the user's body including differentiating fat body and lean body of the arms and differentiating fat body and lean body of the legs.