Heart rate calculator
Updated: Mar. 20, 2019
Calculate your target heart rate
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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
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
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