Free BMI Calculator

BMI Calculator - Calculate Your Body Mass Index

Calculate your Body Mass Index (BMI) and understand your healthy weight range. Get personalized health insights and recommendations based on your BMI category.

BMI Calculator

Enter your details to calculate your Body Mass Index

Your Information

Your Results

Calculate to see your BMI results

Enter your information and calculate to see your BMI

Understanding Your BMI

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Quick & Easy

Calculate your BMI in seconds with our simple, user-friendly interface. Supports both metric and imperial units.

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Get Insights

Receive personalized recommendations based on your BMI category and healthy weight range for your height.

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Private & Secure

All calculations happen in your browser. Your data never leaves your device and is completely private.

BMI Categories

Underweight: BMI < 18.5
Normal Weight: BMI 18.5 - 24.9
Overweight: BMI 25 - 29.9
Obese: BMI ≥ 30

About Our BMI Calculator

Our free BMI calculator helps you understand your body mass index and provides insights into your healthy weight range. Body Mass Index (BMI) is a widely used screening tool that relates your weight to your height. While BMI has limitations As we age, we tend to lose muscle and gain fat. BMI might not reflect this change accurately. correlated with more direct measures of body fat. Furthermore, BMI appears to be as strongly correlated with various metabolic and disease outcome as are these more direct measures of body fatness.

What is Body Mass Index (BMI)?

Body Mass Index (BMI) is a person's weight in kilograms divided by the square of height in meters. It is an inexpensive and easy screening method for weight category—underweight, healthy weight, overweight, and obesity. These categories help healthcare professionals assess potential weight-related health risks. However, it's important to note that BMI doesn't distinguish between muscle and fat Muscle weighs more than fat. Athletes or muscular individuals might have a high BMI but low body fat. BMI despite having low body fat.

How to Use

  1. 1.Choose your preferred unit system (Metric or Imperial)
  2. 2.Enter your weight and height
  3. 3.Optionally enter your age and select your gender
  4. 4.The "Calculate BMI" button will show your results.
  5. 5.Review your BMI, category, and personalized recommendations

Limitations of BMI

While BMI is a useful screening tool, it has several limitations:

  • Doesn't distinguish between muscle and fat mass
  • May not be accurate for athletes, bodybuilders, or very muscular individuals
  • Doesn't account for age, sex, ethnicity, or bone density
  • Not suitable for pregnant or breastfeeding women
  • Should be used alongside other health assessments

Always consult with healthcare professionals for a comprehensive health evaluation that considers your unique circumstances, body composition, and overall health status.

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