A display apparatus for a living body insertable apparatus (1) includes an inserting unit (110) configured to be inserted into a living body, and a power unit (130) configured to generate a propulsive force for the inserting unit in the living body. The display apparatus includes a driving force detector (240), a display calculator (248), and a display controller (250). The driving force detector (240) acquires a value relating to a driving force of the power unit. The display calculator (248) determines a display area of a gauge configured to have the display area varying according to the driving force, based on the value. The display controller (250) outputs a signal to display the gauge on a display device.
