Target Heart Rate Calculator

Calculates training heart-rate zones.

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Result

Max heart rate

190 bpm

Fat-burn zone (60–70%)

140–153 bpm

Hard zone (80–90%)

165–178 bpm

Target Heart Rate Calculator — How It Works

Calculates training heart-rate zones. Try the Target Heart Rate Calculator — instant results in your browser.

Enter your measurements or activity details. Results update live. These are estimates for planning — not medical advice.

Yes — runs locally in your browser.

Use results for general fitness planning. Consult a healthcare professional for medical decisions.