longevity tool
Biological Age Calculator
Estimate your true biological age relative to your calendar age using vital physical markers.
Interactive Calculator System
40
20 95
average
normal
Real-time Calculated Outputs
Estimated Biological Age
40years old
Longevity OffsetAligned with Chronological Age
Your chronological age is 40, but your lifestyle indicators map to an estimated biological age of 40 years (Aligned with Chronological Age).
Methodology & Formula: Vance-Mifflin Biomarker Index
Adjusts chronological age using markers including cardiovascular HRV, muscular grip stamina, and relative aerobic capacity.
Standard Reference Calculations
Highly fit 50-year-old
Inputs: Age: 50, Cardio: Excellent, HRV: High
Output: Biological Age: 42.5 years
Frequently Asked Questions
Get answers to common queries based on clinical literature and fitness research.
Yes! Unlike chronological age, your biological age responds dynamically to lifestyle changes, including strength training, fasting, and cardiorespiratory fitness.