A pulse wave propagation time measurement device (1) includes a first signal processing section (310) configured to perform filtering processing on an electrocardiographic signal detected by an electrocardiographic sensor (10), a second signal processing section (320) configured to perform filtering processing on a photoelectric pulse wave signal detected by a photoelectric pulse wave sensor (20), peak detectors (316, 326) respectively configured to detect peaks of the electrocardiographic signal and the photoelectric pulse wave signal, delay time obtaining sections (317, 327) respectively configured to obtain a delay time of the electrocardiographic signal in the first signal processing section (310) and a delay time of the photoelectric pulse wave signal in the second signal processing section (320), peak correctors (318, 328) respectively configured to correct the peak of the electrocardiographic signal and the peak of the photoelectric pulse wave signal based on the delay time of the electrocardiographic signal and the delay time of the photoelectric pulse wave signal, and a pulse wave propagation time measurement section (330) configured to obtain a pulse wave propagation time from a time difference between the peak of the electrocardiographic signal and the peak of the photoelectric pulse wave signal which have been corrected.
