Practical
HRV Interpretation Calculator
Interpret your HRV reading against age-based norms and training readiness
Heart Rate Variability measures variation in time between consecutive heartbeats. Higher HRV indicates better autonomic nervous system health, cardiovascular fitness, and recovery capacity.
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Tip: Compare only against your own baseline - HRV varies enormously between individuals. Trends matter far more than absolute numbers.
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Fun Fact
Elite endurance athletes often have morning HRVs of 80-100ms+; sedentary adults the same age average 40-60ms.
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