to 17 in.
To determine your proper cuff size, use a cloth measuring tape and measure the circumference of your left upper arm, midway between your elbow and shoulder. Ensure that the blood pressure cuff is neither too tight nor too loose to help ensure the most accurate readings and provide you a more accurate picture of your hearts health. HSA/FSA EligibleThe Omron blood pressure cuff alignment is an important component of measurement accuracy, so if your cuff is misaligned, it can contribute to inaccurate results.