HRZones

Heart Rate Zones – Calculate Your Training Zones HR Zones is a powerful yet simple heart rate training zone calculator that helps you optimize your workouts. Choose your date of birth and calculation method, and the app instantly calculates five distinct heart rate zones tailored to your personal fitness profile. Now with multiple calculation methods! Select from traditional formulas or enter your own maximum heart rate from a stress test. Enable the Karvonen formula by entering your resting h