BMI Calculator
Find your Body Mass Index and health category. Works in metric or imperial, for adults and for children aged 2-20.
Who is this for?
Measurement units
Scale: BMI value
BMI Value
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Category
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Healthy Range
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To Reach Normal
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BMI Prime
Your BMI divided by 25. Below 1.00 is within the normal range; above 1.00 is above it.
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BMI Value
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Category
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Percentile
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Z-Score
How far the child sits from the average for their age and sex, measured in standard deviations. 0 is exactly average.
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Next Step
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BMI is a general screening measure and does not directly account for muscle mass, bone density, or body composition. For a full picture of your health, consult a doctor or registered dietitian.