BMI Calculator
Calculate your Body Mass Index (BMI).
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BMI Calculator Online
The BMI Calculator helps determine Body Mass Index based on weight and height. BMI is commonly used to evaluate whether a person has a healthy body weight relative to their height.
BMI is widely used by health professionals as a simple indicator of potential weight-related health risks.
BMI formula
BMI = Weight (kg) ÷ Height² (m)
For example, if a person weighs 70 kg and has a height of 1.70 meters:
70 ÷ (1.70 × 1.70) = 24.22 BMI
BMI categories
BMI values are generally interpreted as:
• Underweight: below 18.5
• Normal weight: 18.5 – 24.9
• Overweight: 25 – 29.9
• Obese: 30 and above
Why BMI is important
BMI helps identify potential health risks related to body weight. Maintaining a healthy BMI is associated with lower risk of chronic diseases.
Benefits of using BMI calculator
Online BMI calculators provide fast and accurate results without manual calculation.
This tool is simple, free and works on all devices.