Target Heart Rate Formula:
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The target heart rate for weight loss is the optimal heart rate range you should aim for during exercise to maximize fat burning. This is typically 60-70% of your maximum heart rate reserve.
The calculator uses the Karvonen formula:
Where:
Explanation: The formula calculates your heart rate reserve (max HR minus resting HR), takes 60% of that value, then adds back your resting HR to get your target rate.
Details: Exercising within your target heart rate zone ensures you're working at an intensity that promotes fat burning while being sustainable for longer periods.
Tips: For best results, measure your resting heart rate first thing in the morning before getting out of bed. Count your pulse for 60 seconds for accuracy.
Q1: Why use 60% intensity for weight loss?
A: Lower intensities (60-70% of max) primarily use fat as fuel, while higher intensities burn more carbohydrates.
Q2: How often should I check my target heart rate?
A: Recalculate every 6-12 months or if your fitness level changes significantly.
Q3: Can I use this for high-intensity interval training?
A: No, this calculates your steady-state cardio zone. HIIT uses much higher intensities (85-95% of max).
Q4: Are there limitations to this formula?
A: The "220 - age" max HR estimate is a generalization. Actual max HR can vary by ±10-20 bpm.
Q5: Should I stay exactly at this heart rate?
A: Aim to stay within ±5 bpm of your target for optimal fat burning.