Biological Age Calculator

Estimate your body's functional age from key health biomarkers and lifestyle factors

Your Biomarkers

years

Cardiovascular

bpm

Metabolic

%
mg/dL

Body Composition

kg/m²

Lifestyle

drinks
Your Biological Age
--
--
Chronological
--
Health Score
--
Status
--
Overall Health Score 0/100
RHR adj BP adj A1C adj Chol adj BMI adj Lifestyle adj

Category Snapshot

Chart: mini chart.
♥

Cardiovascular

--/20
⚔

Metabolic

--/20
⚛

Body Composition

--/20
★

Lifestyle

--/20
⚠

Risk Factors

--/20

Score Distribution

Chart: breakdown chart.

Personalized Recommendations

Based on your lowest-scoring health categories, here are evidence-based actions to improve your biological age.

These recommendations are for educational purposes only and do not constitute medical advice. Consult your physician before making changes to your health regimen.

How to Use the Biological Age Calculator — Health Score & Biomarker Analysis

1

Enter Your Details

Fill in the input fields with your data — chronological age, resting heart rate, systolic bp, and diastolic bp. The calculator updates results instantly as you type, so there's no submit button to press.

2

Explore Different Views

Use the tabs (Calculator, Score Breakdown, Recommendations) to switch between different analysis modes. Adjust presets, toggle options, or compare scenarios to see how changes affect your results.

3

Review & Share Results

Read your results in the output panel. Use the Share button to generate a link with your inputs pre-filled, or copy results to your clipboard. All calculations happen locally in your browser — your data is never sent to a server.

Formulas & Methods

Total In

ft * 12 + inches

Weight Kg

weightVal * 0.453592

Chol Score

Math.min(13, tcPts + hdlPts + ldlPts)

Key Terms

Chronological AgeAn input parameter used in biological age calculations. Adjust this value to see how it affects your results.
Resting Heart RateAn input parameter used in biological age calculations. Adjust this value to see how it affects your results.
Systolic BPAn input parameter used in biological age calculations. Adjust this value to see how it affects your results.
Diastolic BPAn input parameter used in biological age calculations. Adjust this value to see how it affects your results.
Glucose MetricAn input parameter used in biological age calculations. Adjust this value to see how it affects your results.
A1C LevelAn input parameter used in biological age calculations. Adjust this value to see how it affects your results.

Real-World Examples

AL

Alex

28-year-old software engineer starting a fitness journey

Chronological Age
32
Resting Heart Rate
62 bpm
Systolic BP
122
Diastolic BP
78
Sample outcome
Target range identified

Try entering Alex's values above to see the detailed breakdown.

Understanding Biological Age

What Is Biological Age?

Biological Age is a fundamental concept that this calculator helps you understand and apply. Whether you're a beginner or experienced professional, having precise calculations at your fingertips saves time and reduces errors.

Why It Matters

Understanding biological age helps you make informed decisions backed by data rather than guesswork. Small miscalculations can compound into significant errors, making accurate tools essential for planning and analysis.

How It Works

The Biological Age Calculator — Health Score & Biomarker Analysis applies established formulas and methodologies to your specific inputs. Results update in real-time, letting you experiment with different scenarios to find the optimal approach for your situation.

Tips & Best Practices

  • Start with realistic values — use actual data when available rather than rough estimates for more meaningful results.
  • Compare scenarios — try different input combinations to understand how each variable affects the outcome.
  • Save your work — use the Share button to bookmark specific calculations for future reference.
  • Consult professionals — for critical decisions, use calculator results as a starting point and verify with a qualified expert.
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Frequently Asked Questions

Basics What is biological age?
Biological age is an estimate of how old your body functions compared to your calendar age. It uses measurable biomarkers and lifestyle factors to assess whether your body is aging faster or slower than average. A lower biological age suggests healthier aging.
Basics How is biological age different from chronological age?
Chronological age is simply how many years since you were born. Biological age reflects the actual condition of your body based on biomarkers like blood pressure, blood sugar, cholesterol, and lifestyle habits. Two people of the same chronological age can have very different biological ages.
Basics Can I actually reduce my biological age?
Yes. Research shows that consistent aerobic exercise, quality sleep (7-8 hours), a healthy diet, maintaining normal weight, and avoiding smoking can measurably reduce biological age markers. Some studies show 3-5 years of biological age reduction within 6-12 months of sustained lifestyle changes.
Basics What biomarkers matter most?
Cardiovascular markers (resting heart rate, blood pressure) and metabolic markers (A1C, cholesterol ratios) are the strongest predictors. Smoking status is the single most impactful modifiable risk factor, potentially adding 5-8 years to your biological age.
Basics How accurate is this calculator?
This is a simplified educational model based on established biomarker-age relationships from epidemiological research. Clinical biological age tests (like DNA methylation or GrimAge) use 40+ biomarkers for higher precision. This tool gives directional guidance, not a clinical diagnosis. Always consult your healthcare provider.