BMI Calculator

Calculate your Body Mass Index using your weight and height.

Weight Unit

Weight (kg)

Height Unit

Height (cm)

Results

BMI22.9

CategoryNormal weight

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BMI stands for Body Mass Index. It uses your height and weight to estimate whether your body weight falls within a common health category.

BMI = weight (kg) ÷ height (m)²

If someone weighs 70 kg and is 175 cm tall, their BMI is calculated by dividing 70 by 1.75 squared, giving a BMI of about 22.9.

Yes. This version supports both kilograms and stone with pounds.

Yes. This version supports both centimetres and feet with inches.

BMI is a useful general guide, but it does not account for factors like muscle mass, age, or body composition.