ToolHub

Advanced BMI & Health Risk Calculator

Disclaimer: This calculator is intended for informational and educational purposes only. It does not provide medical diagnosis. If your BMI indicates potential health risks (especially below 17.5), consult a qualified healthcare professional immediately.

Analyze your Body Mass Index (BMI), daily calorie needs, and potential health risks including underweight and anorexia indicators. This tool provides detailed insights, scenario analysis, and personalized recommendations based on your inputs.

Use Cases

  • • Individuals tracking BMI and health status
  • • Monitoring underweight or anorexia risk
  • • Planning weight gain or maintenance goals
  • • Fitness and nutrition analysis
  • • Comparing multiple weight scenarios

Key Features

  • • BMI calculation with classification
  • • BMR (Basal Metabolic Rate) calculation
  • • TDEE (Total Daily Energy Expenditure)
  • • Healthy weight range estimation
  • • Scenario comparison (multiple weights)
  • • Sensitivity analysis
  • • BMI history tracking with charts

Formulas Used

  • • BMI = Weight / Height²
  • • BMR (Mifflin-St Jeor Equation)
  • • TDEE = BMR × Activity Factor
  • • Healthy BMI Range: 18.5 – 24.9

These formulas are widely used in health and fitness assessments to estimate body composition and energy requirements.

BMI Classification

  • • Below 15 → Severe Thinness
  • • 15 – 16 → Moderate Thinness
  • • 16 – 17 → Mild Thinness
  • • 17 – 18.5 → Underweight
  • • 18.5 – 25 → Normal
  • • 25 – 30 → Overweight
  • • 30+ → Obese

Personal & Health Details

Enter details to calculate your BMI and assess anorexia risk.

Scenario Analysis

Scenario 1