You can find out your maximum heart rate by using this calculator. Maximum Heart rate is the number of heart beats that a person can achieve per minute during a physical exercise. This rate is not the optimal heart rate during the exercise, so it should be treated as an academic stand point. There are different formulas available for calculation of this rate. Usually this is calculated by
subtracting age from 220.
This Calculator is very helpful for the Athletes as they usually measure their maximum heart to find out whether they are training at the specific heart rate. Athletes usually have to consider such things, as they must not be over exerting during their exercises. Different ages have different maximum heart rates. Here is a list of maximum heart rates for different age groups.