Heart Rate Zone Calculator
NEWCalculate your 5 heart rate training zones based on age and resting heart rate. Supports both Max HR and Karvonen methods.
#heart rate zones#target heart rate#cardio zones#running heart rate#fat burn zone
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How to use
- 1Enter your age (e.g. 30)
- 2Optionally add resting HR for Karvonen method (e.g. 30,60)
- 3View all 5 training zones with benefits
- 4Use Zone 2 for fat burning, Zone 4 for speed
Frequently Asked Questions — Heart Rate Zone Calculator
What are heart rate zones?+
Heart rate zones are intensity levels (Zone 1–5) ranging from very light recovery to maximum effort. Each zone targets different fitness goals like fat burning (Zone 2) or speed (Zone 4–5).
What is the fat burn zone?+
Zone 2 (60–70% of max HR) burns the highest percentage of fat, making it ideal for weight loss and building aerobic base during long, easy-paced workouts.