TerraTome Heart Rate Zone Calculator
Optimize your workouts by calculating your personalized heart rate zones
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Ad size: 320x100Note: Heart rate zones are estimates. Consult with a healthcare professional before starting any new exercise program.
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Ad size: 300x250Enter your information to calculate your heart rate zones
Zone Training
Spend 80% of your training time in Zones 1-2 for endurance and recovery, and 20% in Zones 3-5 for performance gains.
Resting Heart Rate
A lower resting heart rate generally indicates better cardiovascular fitness. Measure it first thing in the morning.
Zone Benefits
Each zone offers unique benefits - from fat burning in Zone 2 to VO2 max improvements in Zone 5.
What are heart rate zones?
Heart rate zones are ranges that represent different exercise intensities. Each zone corresponds to a percentage of your maximum heart rate and provides different fitness benefits.
How accurate is the maximum heart rate calculation?
The "220 minus age" formula provides a general estimate. Actual maximum heart rate varies significantly between individuals. For more accuracy, consider a professional stress test.
Which heart rate zone is best for fat loss?
Zone 2 (60-70% of max HR) is often called the "fat burning zone" because your body uses fat as its primary fuel source at this moderate intensity level.
How often should I train in different zones?
Most athletes benefit from spending 80% of training time in Zones 1-2 and 20% in Zones 3-5. This balance builds endurance while improving speed and power.
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