Ultimate Heart Rate Calculator : Find your Optimal Exercise Zones | FitnessHub
Smart Heart Rate Zone Calculator
Optimize Your Workouts with Science-Based Calculations
Why Target Heart Rate Matters
Understanding your personal heart rate zones is crucial for maximizing exercise benefits while maintaining safety. Our calculator uses the Karvonen Formula, considered the gold standard for determining personalized training zones.
Calculate Your Zones
Your Personalized Training Zones
| Maximum Heart Rate | - |
| Heart Rate Reserve | - |
| Warm-Up Zone (50-60%) | - |
| Fat Burn Zone (60-70%) | - |
| Aerobic Zone (70-80%) | - |
| Anaerobic Zone (80-90%) | - |
| Red Line Zone (90-100%) | - |
Frequently Asked Questions
How often should I check my zones?
Re-calculate every 3-6 months or after significant fitness improvements.
Which zone is best for weight loss?
The Fat Burn Zone (60-70% intensity) promotes optimal fat utilization.
How do I measure my resting heart rate?
Measure your pulse first thing in the morning before getting out of bed. Count beats for 60 seconds.