BMI Calculator

Calculate body mass index from weight and height. BMI is a screening number, not a diagnosis, and it does not account for muscle, age or body shape.

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Calculate body mass index from weight and height. BMI is a screening number, not a diagnosis, and it does not account for muscle, age or body shape.

For general information only, not medical advice. Consult a qualified health professional before making health decisions.

Worked example

Example calculated from the starting values. Enter your own values and press Calculate to get your result.

BMI22.9

With the default inputs (weight = 70 kg, height = 175 cm), the results are: BMI 22.9.

Reference table based on the example values; it is not your calculation result.

What formula does this calculator use?

BMI = w ÷ pow(h ÷ 100,2). Variables: w = weight in kg, h = height in cm.

What do I need to enter?

You need weight (kg), height (cm). Results update as you type.

What is an example result?

With the default inputs (weight = 70 kg, height = 175 cm), the results are: BMI 22.9.

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