BMI calculator

BMI calculator


Your BMI is......

less than 18.5: Underweight
18.5 - 24.9:Normal weight
25 - 29.9:Overweight
30 - 34.9:Class I Obese
35 - 39.9:Class II Obese
40 upwards:Class III Obese

What is a BMI (body mass index)?

The Body Mass Index (BMI), is a metric that analyzes your height and weight to determine whether or not you are at a healthy weight.

A person’s BMI is calculated by multiplying their weight in kilograms by their height in meters squared. A BMI of 25 suggests that you weigh 25 kilograms per square meter.

BMI scales.

The optimum BMI for most persons is between 18.5 and 24.9.

The BMI calculation takes into account age, gender, height, and weight for children and young people aged 2 to 18.

If you have a BMI of:

below 18.5 – you’re in the underweight range
between 18.5 and 24.9 – you’re in the healthy weight range
between 25 and 29.9 – you’re in the overweight range
between 30 and 39.9 – you’re in the obese range

BMI precision.

BMI considers natural differences in body shape to determine a healthy weight range for a given height.

When determining if you’re a healthy weight, healthcare providers may consider other indicators in addition to your BMI.

Because muscle is substantially denser than fat, people who are extremely muscular, such as heavyweight boxers, weight trainers, and sportsmen, maybe at a healthy weight while having an obese BMI.

Your ethnic background can also influence your chance of developing certain diseases. Adults of South Asian heritage, for example, with a BMI of 23, which is generally considered healthy, may have a higher risk of some health concerns, such as diabetes.

If you’re pregnant, you shouldn’t use BMI as a metric. If you’re worried about your weight, talk to your midwife or doctor.