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BMI Calculator – Find Your Body Mass Index & Ideal Weight

Use this free and easy-to-use BMI Calculator to determine your Body Mass Index and discover whether you’re underweight, healthy, overweight, or obese. Supports both metric (kg/cm) and imperial (lbs/ft/in) units and provides an ideal weight range for your height.

What is BMI?

BMI (Body Mass Index) is a simple calculation using a person’s height and weight. It is used as a general indicator of whether a person has a healthy body weight for their height.

BMI Formula

  • Metric: BMI = weight (kg) / height (m)2
  • Imperial: BMI = (weight (lbs) / height (in)2) × 703

How to Use This BMI Calculator

  1. Select your gender.
  2. Choose the unit: Metric (kg/cm) or Imperial (lbs/feet+inches).
  3. Enter your height and weight.
  4. Click “Calculate BMI” to get your result.

What the BMI Result Means

  • Underweight: BMI less than 18.5
  • Normal weight: BMI 18.5–24.9
  • Overweight: BMI 25–29.9
  • Obese: BMI 30 or more

The calculator also suggests a healthy weight range based on your height to help you stay within a normal BMI range.

FAQs – BMI Calculator

Is BMI accurate?

BMI is a good general guide but does not consider muscle mass, bone density, or body composition. It’s best used alongside other health metrics.

Is there a different BMI range for men and women?

No, the BMI formula is the same, but women naturally have a higher body fat percentage. However, this tool includes gender input for data collection or personal insights.

Does BMI apply to children or elderly people?

This calculator is designed for adults (18+). For children or seniors, BMI should be interpreted differently, ideally with guidance from a healthcare provider.

 

🔗 Related Learning

 

 

Disclaimer

This BMI calculator provides general health guidance and is not a substitute for medical advice. For personalized assessment, please consult a certified healthcare professional.

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