Predicted Maximal Heart Rate Calculator
What is Predicted Maximal Heart Rate?
Predicted maximal heart rate (MHR) is the highest number of times your heart can beat per minute during intense physical activity. It's a crucial metric for understanding your cardiovascular fitness and for designing effective training programs. Knowing your MHR helps you set appropriate target heart rate zones for exercise, ensuring you're working hard enough to gain benefits but not overexerting yourself.
Several formulas exist to estimate MHR, with the most common and widely accepted being the Tanaka formula. It's a simpler and more accurate alternative to older formulas like the Karvonen formula, which also requires resting heart rate.
The Tanaka Formula
The Tanaka formula is a straightforward way to estimate your maximal heart rate and is generally considered more accurate for a wider range of ages compared to older estimations.
Formula: MHR = 208 – (0.7 x Age)
Where:
- MHR = Maximal Heart Rate (beats per minute)
- Age = Your age in years
How to Use This Calculator
Simply enter your current age in years into the field provided and click the "Calculate Predicted Max Heart Rate" button. The calculator will then display your estimated maximal heart rate based on the Tanaka formula.
Important Considerations
It's important to remember that this is an *estimation*. Individual maximal heart rates can vary due to genetics, fitness level, and other physiological factors. This calculator provides a good starting point, but the best way to know your true MHR is through a medically supervised stress test. Always consult with a healthcare professional before starting any new exercise program, especially if you have any underlying health conditions.