A blood pressure measuring apparatus for measuring a blood pressure of a subject using a cuff for attachment to the subject, comprising: an inflating mechanism configured to increase an inner pressure of the cuff ; a processor ; and a memory configured to store instructions that are readable by the processor , wherein the blood pressure measuring apparatus is configured to, as the instructions are executed by the processor: acquire (S2) a pulse rate of the subject while causing the inflating mechanism to increase the inner pressure of the cuff at a prescribed inflation speed; compare (S3) the pulse rate as acquired to a prescribed pulse rate; cause (S4) the inflating mechanism to increase the inner pressure of the cuff at an inflation speed that is lower than the prescribed inflation speed if the pulse rate as acquired is less than the prescribed pulse rate; and cause (S7) the inflating mechanism to increase the inner pressure of the cuff at an inflation speed that is higher than the prescribed inflation speed if the pulse rate as acquired is more than the prescribed pulse rate; wherein the apparatus is configured to calculate the inflation speed by multiplying the prescribed inflation speed by the pulse rate as acquired divided by the prescribed pulse rate. an inflating mechanism configured to increase an inner pressure of the cuff ; a processor ; and a memory configured to store instructions that are readable by the processor , wherein the blood pressure measuring apparatus is configured to, as the instructions are executed by the processor: acquire (S2) a pulse rate of the subject while causing the inflating mechanism to increase the inner pressure of the cuff at a prescribed inflation speed; compare (S3) the pulse rate as acquired to a prescribed pulse rate; cause (S4) the inflating mechanism to increase the inner pressure of the cuff at an inflation speed that is lower than the prescribed inflation speed if the pulse rate as acquired is less than the prescribed pulse rate; and cause (S7) the inflating mechanism to increase the inner pressure of the cuff at an inflation speed that is higher than the prescribed inflation speed if the pulse rate as acquired is more than the prescribed pulse rate; wherein the apparatus is configured to calculate the inflation speed by multiplying the prescribed inflation speed by the pulse rate as acquired divided by the prescribed pulse rate. acquire (S2) a pulse rate of the subject while causing the inflating mechanism to increase the inner pressure of the cuff at a prescribed inflation speed; compare (S3) the pulse rate as acquired to a prescribed pulse rate; cause (S4) the inflating mechanism to increase the inner pressure of the cuff at an inflation speed that is lower than the prescribed inflation speed if the pulse rate as acquired is less than the prescribed pulse rate; and cause (S7) the inflating mechanism to increase the inner pressure of the cuff at an inflation speed that is higher than the prescribed inflation speed if the pulse rate as acquired is more than the prescribed pulse rate; wherein the apparatus is configured to calculate the inflation speed by multiplying the prescribed inflation speed by the pulse rate as acquired divided by the prescribed pulse rate. <EOS>