Karvonen Heart Rate Calculator
Last updated: 2026-08-24
Karvonen Heart Rate Calculator — Calculate target heart rate using Karvonen formula.
Inputs
Result
Enter values and press Calculate
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How to use it
- The calculador apply the formula automatically and muestra results
Common mistakes
- ⚠️ Not verifying that age are in correct units before Calculate
- ⚠️ Redondear values intermediums before of the calculation final (pierde precision)
- ⚠️ Apply results without Consider contexto individual or condition is special
Worked example
Calculate target HR: 30 years, 60 bpm resting, 70% intensity.
The frequency target Use formula Karvonen that considers frequency in reposo to greater precision.
Input guide
| Field | Typical range |
|---|---|
| intensity | Intensidad: 50-95 % |
| age | Edad typical: 18-80 yr |
| rest_hr | Reposo: 40-100 bpm |