BMI Calculator
Calculate your Body Mass Index to assess your weight category
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Formula
Formula
BMI = weight (kg) / [height (m)]²
BMI is calculated by dividing your weight in kilograms by your height in meters squared.
How to Calculate Manually
- 1 Measure your height in meters (or centimeters and divide by 100)
- 2 Measure your weight in kilograms
- 3 Square your height (multiply height by itself)
- 4 Divide your weight by the squared height
- 5 The result is your BMI
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Reference Table
| BMI Range | Category | Health Risk |
|---|---|---|
| Below 18.5 | Underweight | Increased |
| 18.5 - 24.9 | Normal | Lowest |
| 25.0 - 29.9 | Overweight | Increased |
| 30.0 - 34.9 | Obese Class I | High |
| 35.0 - 39.9 | Obese Class II | Very High |
| 40.0 and above | Obese Class III | Extremely High |
Body Mass Index (BMI) is one of the most widely used screening tools for assessing weight status...
Frequently Asked Questions
-
What is a healthy BMI range?
-
Is BMI accurate for everyone?
-
How often should I check my BMI?
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