Formula
Maximum heart rate ≈ 208 − 0.7 × age; target heart rate = resting heart rate + heart-rate reserve × training intensity.
Health & Body · Tool 612 of 200,000
Training Heart Rate Zone Calculator
Enter your values for a transparent, reproducible training heart rate zone calculator, with the formula and scope shown.
LiveScenario estimateLocal calculationUS · USD
Your inputs
Enter real numbers
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Live result
Target heart-rate zone
134–159 bpm
Estimated maximum heart rate: 184 bpm.
- Heart-rate reserve
- 124 bpm
- Lower bound
- 134 bpm
- Upper bound
- 159 bpm
Reproducible, not guessed
How was this calculated?
Scope
Use values that match your situation and location. Verify rule-based, contractual, financial or health decisions against an authoritative local source.
Model context
localeen-UScountryUScurrencyUSDtimezoneAmerica/New_Yorkunit_systemimperialrules_versionus-2026.08source_languageen-US
Results are for first-pass estimates and scenario comparison. Important tax, employment, health and investment decisions should be verified against local official guidance or a qualified professional.