Health & Fitness
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Target Heart Rate (Karvonen)

Training heart rate at intensity I.

Formula

HRtarget=(HRmax−HRrest) I+HRrestHR_{target} = (HR_{max} - HR_{rest})\,I + HR_{rest}

Variables

HR_{max}Max HR
HR_{rest}Resting HR
IIntensity (0–1)

Did You Know?

Training in your target heart-rate zone maximises cardio benefit without overtaxing the heart.

heart ratekarvonencardio