Karvonen Target Heart Rate Zone Calculator

Calculate personalized target heart rate zones using the Karvonen formula: THR = HRR x intensity% + HRrest.

Core Tools
Distance covered in 12 minutes (meters)
🏅 Sports Note: These calculators provide estimates based on population data and validated formulas. Individual results vary by physiology, training level, and testing conditions. Consult a qualified coach or sports scientist for personalized guidance.
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How It Works

Calculate personalized target heart rate zones using the Karvonen formula: THR = HRR x intensity% + HRrest

Each component has a specific meaning:

  • Karvonen formula: THR = HRR x intensity% + HRrest — The karvonen formula: thr = hrr x intensity% + hrrest recorded for the scenario being assessed.

Note: Interpret the karvonen target hr result against the thresholds and context described above.

How to Use

Enter the Karvonen formula: THR = HRR x intensity% + HRrest for the scenario you are assessing. Calculate personalized target heart rate zones using the Karvonen formula: THR = HRR x intensity% + HRrest. Use the karvonen target hr result to inform your calculation.

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Frequently Asked Questions