A blood pressure cuff comprising: an alignment tab having an edge ; a sleeve ; and an inflatable bladder disposed within the sleeve , the inflatable bladder including a first rectangular section having a first width, W1, a first end and a second end, and a tapered section of increasing width extending from the second end of the first rectangular section in a direction away from the alignment tab ; wherein a length from an edge of the alignment tab to the second end of the first rectangular section is equal to a minimum arm circumference for the blood pressure cuff; wherein the blood pressure cuff is sized for a range of arm circumferences, the range including a first circumference, C1, and a second circumference C2, wherein the second circumference is larger than the first circumference, wherein the first circumference comprises the minimum arm circumference for the blood pressure cuff and the second circumference comprises a maximum arm circumference for the blood pressure cuff; wherein the first width equals one half of the difference of the first circumference and the log of the first circumference: W 1 = C 1 − LOG C 1 / 2 ; wherein the inflatable bladder further includes a second rectangular section having a second width, W2, larger than the first width, wherein the tapered section extends between the first rectangular section and the second rectangular section , wherein the second width equals approximately one half the difference of the second circumference and the log of the second circumference: W 2 = C 2 − LOG C 2 / 2 ; and wherein the first circumference and the second circumference are measured in centimeters. an alignment tab having an edge ; a sleeve ; and an inflatable bladder disposed within the sleeve , the inflatable bladder including a first rectangular section having a first width, W1, a first end and a second end, and a tapered section of increasing width extending from the second end of the first rectangular section in a direction away from the alignment tab ; wherein a length from an edge of the alignment tab to the second end of the first rectangular section is equal to a minimum arm circumference for the blood pressure cuff; wherein the blood pressure cuff is sized for a range of arm circumferences, the range including a first circumference, C1, and a second circumference C2, wherein the second circumference is larger than the first circumference, wherein the first circumference comprises the minimum arm circumference for the blood pressure cuff and the second circumference comprises a maximum arm circumference for the blood pressure cuff; wherein the first width equals one half of the difference of the first circumference and the log of the first circumference: W 1 = C 1 − LOG C 1 / 2 ; wherein the inflatable bladder further includes a second rectangular section having a second width, W2, larger than the first width, wherein the tapered section extends between the first rectangular section and the second rectangular section , wherein the second width equals approximately one half the difference of the second circumference and the log of the second circumference: W 2 = C 2 − LOG C 2 / 2 ; and wherein the first circumference and the second circumference are measured in centimeters. <EOS>