PROBLEM TO BE SOLVED: To provide an apparatus and method of measuring bioinformation for estimating bioinformation of a user, and a wearable device.SOLUTION: An apparatus 100 for measuring bioinformation includes a first sensor 110 configured to measure a first biosignal including arterial pulse wave information, a second sensor 120 configured to measure a second biosignal including venous or capillary pulse wave information, and a bioinformation estimator 130 configured to estimate bioinformation of a user on the basis of a time delay between the first biosignal and the second biosignal.SELECTED DRAWING: Figure 1【課題】ユーザの生体情報を推定する生体情報測定装置及び方法並びにウェアラブルデバイスを提供する。【解決手段】生体情報測定装置１００は、動脈血の脈波情報を含む第１生体信号を測定する第１センサ部１１０と、静脈血又は毛細血管血の脈波情報を含む第２生体信号を測定する第２センサ部１２０と、第１生体信号と第２生体信号との間の時間遅延に基づいてユーザの生体情報を推定する生体情報推定器１３０と、を備える。【選択図】図１
