BMI Calculator

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BMI Calculator

Use our BMI calculator to give you an idea of whether you’re underweight, overweight or an ideal weight for your height.

What does BMI mean?

BMI stands for Body Mass index. It is used to give you an idea of whether you’re underweight, overweight or an ideal weight for your height. It’s useful to know because if your weight increases or decreases outside of the ideal range, your health risks may increase.

How do I calculate my BMI?

Enter your height and weight and then choose your gender using the calculator below. Click on ‘calculate BMI’ to work out your BMI and see what your result could mean.

BMI Calculator

We normally use javascript to calculate your BMI for you. It looks like you have javascript disabled on this browser so our calculator cannot make the calculations for you. We've provided some information below for you to make the calculations yourself but if you'd rather use our BMI Calculator tool then:

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Your Results

Your BMI is: --.--

If you'd like to calculate your own BMI - here's the description from World Health Organization of how it can be calculated:Body Mass Index (BMI) is defined as the weight in kilograms divided by the square of the height in metres (kg/m2). For example, an adult who weighs 70kg and whose height is 1.75m will have a BMI of 22.9.BMI = 70 kg / (1.75 m2) = 70 / 3.06 = 22.9

Classification	BMI(kg/m²)
Underweight	<18.50
Normal range	18.50 - 24.99
Overweight	≥25.00
Obese	≥30.00

BMI Classifications adapted from World Health Organization