Calculators
BMI Calculator
Calculate adult BMI and the standard screening category from height and weight.
Weight is required.
About This Tool
BMI is a quick adult height-to-weight screening calculation. It is useful for general reference, but it is not a medical diagnosis or a complete measure of health.
How To Use It
- Choose metric or US units.
- Enter weight and height.
- Review the BMI value and standard adult screening category.
Examples
Metric BMI
70 kg and 175 cm gives a BMI of about 22.9.
US BMI
154 lb and 69 in gives a similar BMI result.
Useful Notes
BMI categories
Common adult categories are under 18.5, 18.5 to 24.9, 25 to 29.9, and 30 or higher.
Use with context
BMI does not account for muscle mass, pregnancy, age, sex, body composition, or clinical history.
FAQ
Is BMI a diagnosis?
No. BMI is a screening measure and should be interpreted with broader health context or professional guidance when health decisions matter.
Which units can I use?
You can use kilograms and centimeters or pounds and inches.
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