Biological Age Calculator

Explore an educational lifestyle score—not a clinical biological-age test

Basic Information

Your Current Age

Height (cm)

Weight (kg)

This questionnaire does not measure cellular, epigenetic, blood, or organ-function biomarkers. Its result is a simple lifestyle score and must not be used as a health diagnosis or as a measure of your actual rate of aging.

What is Biological Age?

Biological age, also known as physiological age, measures how well your body has aged compared to your chronological (calendar) age. While chronological age simply counts the years since birth, biological age takes into account how your lifestyle, environment, and genetics have affected your body's actual condition.

Someone with healthy habits might have a biological age younger than their chronological age, while someone with poor lifestyle choices might be biologically older than their years.

Biological Age vs Chronological Age

Understanding the difference between these two types of age is crucial for assessing overall health:

Chronological age: Fixed, based purely on your birth date
Biological age: Variable, influenced by lifestyle choices and can be improved

Healthy habits can improve health outcomes, but a short lifestyle questionnaire cannot determine whether your biological age has changed. Clinical measurements are needed to assess biological-aging markers.

Factors That Affect Biological Age

The main factors that influence biological age include:

Exercise frequency and intensity
Diet quality and nutrition
Sleep duration and quality
Stress levels and management
Smoking and alcohol consumption
Body weight and BMI
Social connections and mental health

Frequently Asked Questions

Biological age, also called physiological age, measures how well your body has aged compared to your chronological age. It takes into account factors like cellular health, organ function, and lifestyle habits. Someone with a biological age lower than their chronological age is aging well, while a higher biological age suggests accelerated aging.

A lifestyle questionnaire cannot measure biological age. This calculator produces an educational score from a small set of self-reported habits; it is not a validated clinical model and does not measure your rate of aging. Biological-age research uses biomarkers such as blood measures, DNA methylation, and organ-function assessments.

Healthy habits such as regular exercise, a balanced diet, adequate sleep, stress management, and avoiding smoking can improve health. This questionnaire cannot show that your biological age has changed; discuss health goals and appropriate measurements with a qualified clinician.

Biological aging is complex and cannot be converted into fixed years from individual answers. Genetics, disease, environment, and many health and lifestyle factors may all matter. The point weights in this questionnaire are illustrative scoring choices, not clinical conversions.

Biological age is a comprehensive measure of overall body aging, while metabolic age specifically refers to how your metabolism compares to average metabolic rates for different age groups. Metabolic age is calculated using basal metabolic rate (BMR) and is just one component of biological age.

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