PROBLEM TO BE SOLVED: To provide a walking burden degree calculation device capable of accurately estimating a walking burden degree that is an index of a biological and physical burden on the body of a walking person during walking.SOLUTION: The walking burden degree calculation device comprises: a pulse rate acquisition part 104 which acquires a pulse rate being the heart rate or the pulsation of a user； a walking speed acquisition part 303 which acquires a walking speed when the user walks； a weight acquisition part 102a which acquires the weight of the user； and a walking burden degree calculation part 105 which calculates a walking burden degree indicating the index of a heart/lung movement while the user walks, by using a predetermined relational expression.SELECTED DRAWING: Figure 9【課題】歩行者の歩行時の生理的および物理的な身体負荷の指標である歩行負担度を精度よく推定できる歩行負担度算出装置などを提供する。【解決手段】ユーザの心拍数または脈拍数である拍数を取得する拍数取得部１０４と、ユーザの歩行時における歩行速度を取得する歩行速度取得部３０３と、ユーザの体重を取得する体重取得部１０２ａと、所定の関係式を用いて、ユーザの歩行時における心肺運動の指標を示す歩行負担度を算出する歩行負担度算出部１０５と、を備える。【選択図】図９
