"Heart Rate Calculator". You can run this file directly in your browser to calculate your maximum heart rate, target heart rate zones, and more.Heart Rate Calculator | Pro Zone

❤️ Heart Rate Pro

MAX · TARGET ZONES · FITNESS
❤️‍🔥 Max Heart Rate --
🎯 Target HR (70%) --
💪 HR Reserve (HRR) --
🧘 Zone (Karvonen) --
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