BMI Calculator
Calculate your Body Mass Index (BMI) to check if your weight is healthy for your height.
* All calculations are approximate.
How BMI Calculator Works?
Calculate your Body Mass Index (BMI) to check if your weight is healthy for your height.
Enter your weight in kilograms and height in centimeters.
The calculator converts your height to meters and squares it.
Your weight is divided by the squared height to get your BMI value.
The BMI value is compared against standard WHO categories to classify your weight status.
An ideal weight range is calculated based on BMI values of 18.5 to 24.9 for your height.
Formula Used
BMI = Weight (kg) / [Height (m)]^2
BMI is a screening tool and does not directly measure body fat. Athletes and muscular individuals may have a high BMI without excess fat.
Important — Read Before You Decide
- BMI is a screening tool, not a diagnostic measure
- BMI does not account for muscle mass, bone density, or body composition
- Athletes may have high BMI due to muscle, not fat
- BMI ranges may differ for Asian populations (overweight starts at 23)
- Consult a doctor before making major diet or exercise changes
- Waist circumference is also an important health indicator
What Happens If You Ignore These?
- Ignoring high BMI can lead to diabetes, heart disease, and joint problems
- Being underweight increases risk of nutrient deficiency and weakened immunity
- Chronic obesity increases risk of certain cancers
- Poor body weight management affects mental health and energy levels
Smart Tips
- Aim for a BMI between 18.5 and 24.9 for optimal health
- Focus on body fat percentage, not just weight
- Combine regular exercise with a balanced diet
- Track your BMI quarterly to monitor long-term trends
- Consider consulting a nutritionist for personalized advice
Frequently Asked Questions
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