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Target Heart Rate Calculator

Estimate training heart-rate zones from age and optional resting heart rate.

bpm
Estimated maximum heart rate
187 bpm
Tanaka estimate
Moderate (50–60%)124–136 bpm
Aerobic (60–70%)136–149 bpm
Tempo (70–80%)149–162 bpm
Threshold (80–90%)162–174 bpm
Maximum (90–100%)174–187 bpm
Resting heart rate60 bpm

Heart-rate zones are general estimates. Medication, health conditions, and fitness can change safe training intensity. Estimates for general guidance only — not medical advice. Check with a qualified healthcare professional for personal decisions.

About the Target Heart Rate Calculator

Estimate training heart-rate zones from age and optional resting heart rate.

It runs entirely in your browser — nothing you type is sent to a server — and the result updates as you edit the inputs. Estimates are for educational and informational purposes only; see ourdisclaimer.

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