[Object] To provide an information processing device capable of accurately calculating a moving distance on the basis of the number of steps. [Solution] The information processing device includes: a movement determination unit configured to determine whether or not a user is moving on the basis of at least one of a heart rate, a blood pressure, and a respiratory rate of the user； and a distance calculation unit configured to calculate a moving distance of the user on the basis of the number of steps of the user in a period in which the movement determination unit determines that the user is moving.
