Health & Fitness Tools
Heart Rate Zone Calculator
Calculate simple heart-rate zones based on age and maximum heart-rate estimate.
Evidence-aware calculator
Show age-based exercise ranges as general guidance, not a prescription
Inputs are explicit, assumptions are disclosed, and health-related outputs are framed as screening or planning estimates rather than diagnoses or prescriptions.
Result
~185 bpm estimated maximum
Moderate-intensity guide
93–130 bpm
Vigorous-intensity guide
130–157 bpm
Age
35 years
The American Heart Association describes 220 − age and these target percentages as average, general guides. Medications and heart conditions can change appropriate heart-rate targets; seek professional guidance when relevant.
Reference: American Heart Association Target Heart Rates Chart.