To get the most health benefits from aerobic activity, you should exercise at a level strenuous enough to raise your heart rate to your target zone.

Your target heart rate zone is 50 to 75 percent of your maximum heart rate (the fastest your heart can beat). To find your target zone, enter your age in this calculator.

Enter your age:
How would you characterize your current exercise level:
	Mildly active Moderately to very active

The information on this Web site is provided as a public service by the University of Maryland Medical System, a regional health care delivery system that includes an academic medical center (the University of Maryland Medical Center in downtown Baltimore) as well as five community and specialty hospitals and outpatient sites throughout Baltimore and central Maryland. This information is not intended to be a substitute for individual medical advice in diagnosing or treating a health problem. Please consult with your health care provider about your health care concerns. If you would like to make an appointment with a University of Maryland physician, please call 1-800-492-5538.