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

How to use it

  1. 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

FieldTypical range
intensityIntensidad: 50-95 %
ageEdad typical: 18-80 yr
rest_hrReposo: 40-100 bpm