BMI Calculator
Calculate Your Body Mass Index
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What is BMI?
Body Mass Index (BMI) is a numerical value calculated from your weight and height that provides a reliable indicator of body fatness for most people. It is used to screen for weight categories that may lead to health problems.
Standard BMI Formula
BMI = weight (kg) / (height in meters)2
For adults (18+ years):
- Underweight: BMI < 18.5
- Normal: 18.5 - 24.9
- Overweight: 25 - 29.9
- Obese: ≥ 30
How to Use This Calculator
- Select your gender (male/female)
- Enter your age (2-99 years)
- Input your height in feet+inches or centimeters
- Enter your weight in kilograms
- Click "Calculate BMI" to see your results
Why BMI Standards Differ for Indians
Research shows Indians have unique body composition:
- Higher body fat percentage at lower BMI compared to Caucasians
- More abdominal fat (central obesity) even at normal BMI
- Increased metabolic risks starting at BMI ≥23 (vs ≥25 for Western populations)
- Lower muscle mass contributing to different health risks
BMI Chart for Indian Adults
| Category | BMI Range | Health Risk |
|---|---|---|
| Underweight | < 18.5 | Nutritional deficiency |
| Normal | 18.5 - 22.9 | Low risk |
| Overweight | 23 - 24.9 | Moderate risk |
| Obese | ≥ 25 | High risk |
Waist Circumference Matters
For Indians, waist measurement is equally important:
- Men: Keep below 90cm (35.5 inches)
- Women: Keep below 80cm (31.5 inches)
Higher waist circumference increases risk of diabetes and heart disease.
Frequently Asked Questions
Is BMI accurate for everyone?
BMI is a useful screening tool but doesn't directly measure body fat. It may overestimate body fat in athletes and underestimate it in older persons or those who have lost muscle.
Is BMI accurate for Indians?
While BMI is a useful screening tool, Indians tend to have higher body fat percentage at lower BMI levels compared to Western populations. Many experts suggest using lower BMI cut-offs for Indians to identify health risks.
What is the ideal BMI for Indian men and women?
For Indians, the ideal BMI range is generally considered to be between 18.5 to 22.9 kg/m² for both men and women. This is slightly lower than the international standard of 18.5-24.9 due to our body composition differences.
How often should I check my BMI?
For most adults, checking BMI every 3-6 months is sufficient unless you're actively trying to lose or gain weight.
Does BMI differ for men and women?
The BMI calculation is the same for both genders, but women tend to have more body fat than men at the same BMI.
About Us
Welcome to BMI-Calculator.in, your reliable source for accurate BMI calculations and health information. Our mission is to provide easy-to-use tools that help you understand and monitor your health metrics.
Our Goal
We aim to:
- Provide accurate BMI calculations
- Offer clear health information
- Help users make informed health decisions
- Promote healthy lifestyle choices
Disclaimer
This BMI calculator is for informational purposes only and is not intended as medical advice. Always consult with a healthcare professional before making any health related decisions.