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BMI Calculator
Body Mass Index is a quick way to see whether your weight is in a healthy range.
How to read your BMI result
BMI is a simple ratio of weight and height. For a full assessment, consider additional indicators.
Height and weight
Enter current values, ideally in the morning and without clothes.Interpretation
BMI is indicative and does not measure muscle mass proportion.Context
Treat the result as guidance, not a diagnosis.Frequently asked questions
Is BMI suitable for athletes?
For athletes BMI can be misleading because it does not account for higher muscle mass.
What are the basic BMI categories?
Typically underweight, normal, overweight and obesity. Thresholds are indicative.
Can I use BMI for children?
Children use different percentile charts. This calculator is for adults.
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What is BMI?
Body Mass Index (BMI) is an internationally recognized indicator of underweight, normal weight, overweight and obesity. For adults the ideal range is typically 18.5 to 24.9. Values above 25 indicate overweight and above 30 obesity. BMI is indicative and does not account for muscle mass.