BMI Calculator
Calculate your Body Mass Index (BMI) to check if your weight is healthy for your height. Choose between metric and imperial units.
Your BMI Result
-
Underweight
<18.5
<18.5
Normal
18.5-24.9
18.5-24.9
Overweight
25-29.9
25-29.9
Obese
>30
>30
Recent Calculations
Understanding BMI
Body Mass Index (BMI) is a simple measure that uses your height and weight to work out if your weight is healthy. The BMI calculation divides an adult's weight in kilograms by their height in metres squared.
BMI Categories
- Underweight: BMI less than 18.5
- Normal weight: BMI 18.5 to 24.9
- Overweight: BMI 25 to 29.9
- Obese: BMI 30 or greater
BMI Limitations
- Doesn't account for muscle mass
- May not be suitable for athletes
- Different thresholds for different ethnicities
- Not applicable for children and teens
Important Note
BMI is a general guide and doesn't account for factors like body composition, age, gender, ethnicity, and muscle mass. For a more accurate assessment of your health, consult with a healthcare professional.
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