[header] How to calculate your body age [title] Find your resting pulse rate. [step] The heart is one of the body's most important organs, and a well conditioned and healthy heart is a big part of overall well-being. A normal heart usually beats at between 60-100 times per minute. 
Your own rate should ideally be no faster or slower than this when resting, though some elite athletes beat below 50 per minute. Place the first two fingers of your right hand on the inside of your left wrist just below your thumb, over one of your major arteries.