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How To Calculate Karvonen Formula

Karvonen Formula:

\[ THR = Resting + (Max - Resting) \times \% \]

bpm
bpm
decimal

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1. What is the Karvonen Formula?

The Karvonen Formula is a method used to calculate target heart rate (THR) for exercise training. It takes into account both resting heart rate and maximum heart rate to provide a more personalized heart rate training zone than simple percentage-based methods.

2. How Does the Calculator Work?

The calculator uses the Karvonen formula:

\[ THR = Resting + (Max - Resting) \times \% \]

Where:

Explanation: The formula calculates heart rate reserve (Max - Resting) and adds a percentage of this reserve to the resting heart rate to determine the target training intensity.

3. Importance of Target Heart Rate Calculation

Details: Accurate target heart rate calculation is crucial for effective exercise programming, ensuring you train at the appropriate intensity for your fitness goals while maintaining safety and optimizing results.

4. Using the Calculator

Tips: Enter resting heart rate and maximum heart rate in bpm, and intensity as a decimal between 0.0 and 1.0. All values must be valid (heart rates > 0, percentage between 0-1).

5. Frequently Asked Questions (FAQ)

Q1: How do I measure my resting heart rate?
A: Measure your pulse first thing in the morning before getting out of bed. Count beats for 60 seconds for the most accurate reading.

Q2: How do I determine my maximum heart rate?
A: The most accurate method is through maximal exercise testing. Alternatively, you can use the formula: 220 - age, though this is an estimate.

Q3: What intensity percentage should I use?
A: Typically 0.5-0.6 for moderate intensity, 0.6-0.7 for weight management, 0.7-0.8 for aerobic fitness, and 0.8-0.9 for athletic training.

Q4: Why is Karvonen better than simple percentage methods?
A: It accounts for individual differences in resting heart rate, providing more personalized and accurate training zones.

Q5: Can I use this formula for all types of exercise?
A: Yes, the Karvonen formula can be applied to various cardiovascular activities including running, cycling, swimming, and aerobic workouts.

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