A measuring method includes: executing first acquisition processing for acquiring a first signal from a first sensor, the first sensor being provided at a first position corresponding to a height of a waist of an occupant in a backrest of a seat on which the occupant sits, the first sensor being configured to detect a movement in accordance with first radio waves; executing second acquisition processing for acquiring a second signal from a second sensor, the second sensor being provided at a second position corresponding to a height of a chest of the occupant in the backrest, the second sensor being configured to detect a movement in accordance with second radio waves; executing generation processing for generating a measurement result related to a predetermined component included in the second signal based on the first signal and the second signal; and executing output processing for outputting the generated measurement result.