Formula guide

Heart Rate Calculator formula

This tool uses a standard estimation formula that updates instantly as you change the inputs.

How the input values are used

Age

The numeric value is used in the calculation; keep units consistent.

Resting heart rate (optional)

The numeric value in optional is used in the calculation; keep units consistent.

How to interpret the result

  • The result uses Age and Resting heart rate (optional). Change one variable at a time to compare its effect on the outcome.
  • Health and fitness values are estimates, not a substitute for measurements or clinical advice.
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