Overweight Calculator

Check your BMI and weight category, with the healthy weight range for your height.

How overweight is worked out

Enter your height and weight to see your BMI and whether it falls in the underweight, healthy, overweight or obese range. BMI is a screening tool, not a diagnosis.

Step by step

  1. Enter your figures in the fields provided.
  2. The result updates as you type.
  3. Review the breakdown below the main number.

The formula

BMI = weight(kg) ÷ height(m)²

The default scenario, worked through

Take the starting scenario, a height of 175, weight of 70. That gives a BMI of 22.9. Underneath, Category comes out at Healthy weight and Healthy weight range at 56.7–76.3 kg. Change any field and every figure updates as you type.

Common questions

What BMI is overweight?
A BMI of 25 to 29.9 is classed as overweight; 30 and above as obese.
Is BMI accurate?
It’s a general screen and doesn’t account for muscle or build. See a professional for personal advice.