🧬 Biological Age Calculator

Biological age (also called physiological or functional age) is a measure of how well your body functions compared to the average person of the same chronological age. While your chronological age is simply the number of years you've been alive, your biological age reflects the impact of genetics, lifestyle, diet, exercise, and environment on your body's aging process.

Chronological age is fixed — it advances one year every 365 days. Biological age, however, can be younger or older than your chronological age. A 50-year-old who exercises regularly, eats well, and manages stress may have a biological age of 42, while a 50-year-old with poor lifestyle habits could have a biological age of 58.

Yes! While you can't change your genetics, lifestyle modifications can significantly reduce your biological age. Regular exercise (especially cardiovascular and strength training), quality sleep (7–9 hours), a nutrient-rich diet (Mediterranean-style, anti-inflammatory foods), stress reduction (meditation, yoga, hobbies), and avoiding smoking/excess alcohol are all proven to slow biological aging.

This calculator provides a rough estimate based on key lifestyle factors known to influence biological aging. A precise biological age assessment typically requires blood tests, DNA methylation analysis, and other clinical measurements. Use this tool as a general guide to understand how your lifestyle may be affecting your health and aging rate.

Research shows that exercise, sleep quality, and diet have the biggest impact on biological age. Chronic stress and smoking also accelerate aging significantly. Genetics account for roughly 20–30% of your biological aging rate, with the remaining 70–80% influenced by lifestyle and environmental factors — meaning you have substantial control over how you age.