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Target Heart Rate Calculator

Estimate age-predicted maximum heart rate and general moderate/vigorous activity zones.

How It Works

Age-predicted maximum=220−age. AHA general moderate zone=50–70% and vigorous zone=70–85% of that estimate.

Scope and Limitations

  • Age-based estimates vary between individuals. Medication, heart disease and clinical exercise prescriptions can change applicable targets.

Reference Sources

FAQs

How does this calculator work?

Age-predicted maximum=220−age. AHA general moderate zone=50–70% and vigorous zone=70–85% of that estimate.

What assumptions should I check?

Age-based estimates vary between individuals. Medication, heart disease and clinical exercise prescriptions can change applicable targets.