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Heart rate calculator

Best HealthBest HealthUpdated: Mar. 20, 2019

Calculate your target heart rate

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heart-98812613.jpg

To calculate your heart rate:

Subtract your age from 220, then multiply the result by the heart-rate percentage you want to achieve. So, for a 46 year old wanting to work at 70% of her maximum heart rate, it would look like this: (220-46) x 0.70 = 122 beats per minute.

2 / 2
heart-98812613.jpg

To calculate your heart rate:

Subtract your age from 220, then multiply the result by the heart-rate percentage you want to achieve. So, for a 46 year old wanting to work at 70% of her maximum heart rate, it would look like this: (220-46) x 0.70 = 122 beats per minute.

Originally Published: March 13, 2008