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Heart Rate Calculator — Free Online Tool
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Heart Rate Calculator

Calculate target exercise heart rate using the Karvonen formula

Formula Note: Karvonen Formula: Target Heart Rate = ((Max HR − Resting HR) × Intensity Percentage) + Resting HR
Computes target training heart rate based on age-predicted maximum heart rate and resting heart rate.
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Calculation Results

⚠️ For educational and training reference only. Consult a physician or certified coach before starting high-intensity exercise routines.

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