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 heart rate for even more personalized zones that account for your fitness level.

Key Features: • Multiple maximum heart rate calculation methods:

• Standard (220 - age)
• Tanaka (more accurate for older adults)
• Gulati (optimized for women)
• Custom (enter your own from stress test) • Gender selection with automatic formula recommendations • Resting heart rate input enables Karvonen formula • Five personalized training zones with color coding and icons • Tap any zone for detailed information • Learn benefits, activities, and training tips for each zone • Precise BPM ranges calculated for your profile • Settings screen for easy configuration • Haptic feedback for enhanced interaction • Smooth animations and polished design • Beautiful gradient background • Optimized for light and dark mode • All preferences saved automatically

How It Works:

1. Enter your date of birth and select gender (optional)
2. Choose your preferred calculation method in Settings
3. Optionally enter resting heart rate for Karvonen formula
4. View your calculated maximum heart rate
5. See your five personalized training zones with BPM ranges
6. Tap any zone to learn more about it
7. Use the zones to guide your workouts and achieve your goals

Perfect For: • Runners and cyclists • Fitness enthusiasts • Personal trainers and coaches • Anyone monitoring heart rate training • Beginners learning about zone training • Athletes optimizing performance • Women wanting female-specific calculations • Older adults needing accurate formulas

Heart Rate Zones puts the power of science-based zone training in your pocket with the most accurate calculations available. Download now and train smarter!