BMI Calculator
Estimate body mass index from height and weight.
Results are provided for general informational use. Verify important financial, health or legal figures before relying on them.
About this BMI Calculator
The BMI Calculator divides weight in kilograms by height in meters squared. BMI is a screening measure, not a diagnosis, and it does not directly measure body fat, fitness or individual health. The result is therefore best treated as a general reference value.
For related tasks, try Weight Converter, Length Converter or Age Calculator.
How to use it
- Enter your weight in kilograms.
- Enter your height in centimeters.
- Select Calculate to view the BMI value and broad category.
Practical example
A weight of 70 kg and height of 175 cm gives a BMI of about 22.9 because 70 ÷ 1.75² is approximately 22.9.
Frequently asked questions
What formula is used?
BMI = weight in kilograms ÷ height in meters squared.
Is BMI a medical diagnosis?
No. It is a screening measure and should not replace individualized medical advice.
Does this tool use metric units?
Yes. Enter kilograms for weight and centimeters for height.
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