BMI Calculator
About BMI (Body Mass Index) Calculator
The BMI Calculator helps you find out whether your weight is healthy for your height. It’s a quick and reliable way to check if you’re underweight, normal, overweight, or obese based on global health standards.
Formula (Simple Explanation)›
BMI = Weight (kg) ÷ [Height (m)]²
Where: Weight is in kilograms, and Height is in meters. BMI is a simple ratio of your weight to your height squared.
Example:
Input: If your weight is 70 kg and height is 1.75 m
Output: BMI = 70 ÷ (1.75 × 1.75) = 22.9 → Normal Weight Range.
Steps to Use:
- Enter your weight in kilograms (kg).
- Enter your height in centimeters (cm) or meters (m).
- Click 'Calculate' to see your BMI value and category.
- Compare your result with standard BMI ranges to know your health status.
Frequently Asked Questions
What is BMI and why is it important?›
BMI, or Body Mass Index, is a number that indicates whether your body weight is in a healthy range for your height. It helps assess overall health risk.
What are the normal BMI ranges?›
According to WHO: Underweight < 18.5, Normal = 18.5–24.9, Overweight = 25–29.9, and Obese ≥ 30.
Is BMI accurate for everyone?›
BMI is a general indicator. It may not fully reflect health for athletes, children, or people with high muscle mass. Always consult a doctor for detailed assessment.
Can I use this BMI calculator in feet and inches?›
Yes. You can convert height from feet/inches to centimeters or meters before calculating BMI.
What should I do if my BMI is high?›
Consider lifestyle changes such as balanced diet, exercise, and medical advice. This calculator provides awareness, not a medical diagnosis.