Max Heart Rate Calculator

About the inputs

• Age: Primary driver of predicted maximum heart rate.
• Sex: Select female to enable the Gulati formula tailored for women.
• Resting Heart Rate: Used for Karvonen (HRR) target calculations.
• Formula: Choose between classic (220-age), Tanaka (208−0.7×age), and Gulati (206−0.88×age).
• Model Year: Add a custom year for record-keeping (e.g., 2024, 2025).