Heart Rate Variability (HRV) Trend Calculator

This tool helps you manually track your Heart Rate Variability (HRV) to monitor your body's recovery and readiness for stress.

What is HRV?

HRV is the measure of the variation in time between each heartbeat. A higher HRV is generally considered an indicator of a well-rested, recovered, and healthy nervous system.

How to Use This Calculator:

1. Enter your HRV score for the day (usually measured first thing in the morning).
2. Select the date of the measurement.
3. Click "Add Entry". The calculator will update your data table, chart, and trend analysis.
4. To remove an entry, click the trash icon in the corresponding row.
5. Click "Reset All Data" to clear all your entries.

Interpreting the Results:

• 7-Day Average: This provides a more stable view of your HRV trend than single-day scores, which can fluctuate.
• Trend: This indicates the general direction of your 7-day average. An "Improving" trend is positive, while a "Declining" trend may suggest overtraining, stress, or illness.