BMI Calculatorby Chaudify

Advanced BMI & Health Calculator

Quickly calculate BMI, body fat estimates, BMR and 10+ advanced health metrics — including Cellular Age, Metabolic Health Score and Body Symmetry. Private, no signup required, and optimized for clear, actionable results.

Body Measurements

Enter your details for comprehensive analysis

Primary Measurements

Body Composition Analysis

Health Analysis Results

Comprehensive body composition and health metrics

Live Results

Body Mass Index (BMI)

Enter your measurements to calculate
BMI Prime: —

Ideal Weight Range

BMI 18.5 — 24.9

Body Fat Percentage

Requires age & gender

Waist-Hip Ratio

Requires waist & hip

Ponderal Index

Weight/Height³

Lean Body Mass

Weight minus fat mass

BMR (Calories/day)

Basal metabolic rate

🚀 Exclusive Health Metrics (Not Found Elsewhere)

🧬 Cellular Age

Biological vs chronological age

💚 Metabolic Health Score

Overall metabolic wellness

⚖️ Body Symmetry Index

Proportional balance score

⏰ Longevity Index

Life expectancy indicator

🏃 Athletic Potential Score

Fitness performance potential

🧠 Hormonal Balance

Endocrine system health

🦴 Bone Density Estimate

Estimated Density:
Fracture Risk:
Age and gender adjusted

💪 Muscle Quality Index

Quality Score:
Sarcopenia Risk:
Muscle health assessment

Detailed Metrics

Weight:
Height:
BSA:
Daily Calories:

How to Use the Advanced BMI & Health Analysis

Quick guide: unit toggles, required fields, and how to enable advanced metrics.

1

Pick your measurement units

Choose Metric (kg, cm) or Imperial (lb, ft/in). Switching to Imperial shows feet/inches and pounds — those inputs are required for correct calculations.

2

Provide optional composition data

Add age and gender to enable Body Fat and BMR estimates. Supply waist, hip and neck for Navy body-fat calculation and improved risk analysis.

3

Calculate and review results

Press Calculate — the page updates with BMI, BMI Prime, ideal weight range, body fat estimate, BMR and exclusive metrics such as Cellular Age and Metabolic Health Score.

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