Target Heart Rate Zone Calculator
Find your ideal training intensity. Enter your age for standard zones, or add your resting heart rate for the more precise Karvonen formula.
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Heart Rate Zone Chart
| Zone | % of Max HR | Purpose |
|---|---|---|
| Warm-Up | 50–60% | Recovery & warm-up |
| Fat Burn | 60–70% | Low-intensity aerobic |
| Cardio | 70–80% | Cardiovascular fitness |
| Hardcore | 80–90% | Anaerobic performance |
| Peak | 90–100% | Maximum effort |
Frequently Asked Questions
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