BMI Calculator

Calculate your Body Mass Index and understand your health status

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Your Information

kg
cm

Understanding BMI & Body Composition

Body Mass Index (BMI) is a useful screening tool, but it's not the whole story. Learn what your numbers mean and how to improve your health.

Category
BMI Range
Weight Status
Underweight
< 18.5
Below Normal
Normal Weight
18.5 - 24.9
Healthy
Overweight
25.0 - 29.9
Above Normal
Obese
β‰₯ 30.0
High Risk

πŸ“ How BMI is Calculated

BMI is calculated by dividing your weight in kilograms by your height in meters squared (kg/mΒ²). While simple and widely used, BMI doesn't distinguish between muscle and fat mass.

BMI = Weight (kg) / HeightΒ² (mΒ²)

⚠️ BMI Limitations

BMI doesn't account for:

  • β€’
    Muscle mass (athletes may have high BMI)
  • β€’
    Bone density variations
  • β€’
    Body fat distribution
  • β€’
    Age and gender differences

πŸ’ͺ Better Health Indicators

Consider these alongside BMI:

  • Waist circumference
  • Body fat percentage
  • Physical fitness level
  • Blood pressure & cholesterol
  • Overall lifestyle habits

πŸƒ Healthy Weight Tips

Nutrition

Focus on whole foods, balanced meals, and portion control

Exercise

Aim for 150 minutes of moderate activity per week

Sleep

Get 7-9 hours of quality sleep nightly

🎯 Health Risks by BMI

Underweight:

Malnutrition, osteoporosis, decreased immune function

Normal:

Lowest risk of weight-related health issues

Overweight:

Increased risk of heart disease, diabetes, high blood pressure

Obese:

High risk of chronic diseases, joint problems, sleep apnea

πŸ“ˆ Track Your Progress

Regular monitoring helps you stay on track. Weigh yourself at the same time of day, preferably in the morning. Remember that weight can fluctuate daily due to water retention, so focus on weekly trends rather than daily changes.

Healthy weight loss: 0.5-1 kg (1-2 lbs) per week