The displayed target heart
range is a guideline for people in good health at your age. It should not
be used if you're taking heart medication or suffering from asthma, heart
disease, or hypertension. If you are under medical care or are beginning
a fitness program, consult your health-care professional first.
During exercise, you can
measure your heart rate from your wrist or neck. See the illustrations
on the results page for more information.
The target heart rate calculator
is not applicable to children. Their maximum heart rates can approach 200
beats per minute. Healthy children do not need to restrict activity for
To use the tool again, click