BMI (Body Mass Index) calculator

The body mass index (BMI) is a simple way to assess whether you are the correct weight for your height by measuring the relative percentages of fat and muscle mass in your body.

To work out your personal BMI, use our simple calculator. You can work with either metric or imperial measurements.

  1. Input your weight in kilograms or stones and pounds.
  2. Input your height in metres or feet and inches.
  3. Use the calculate button to find your body mass index.
Calculate your BMI

Calculate your BMI

All fields marked with an asterisk * are mandatory.

 

Health news

Read the latest health, hospital, fitness and nutrition news.

Find out more about Health news

Fitness centre

Learn about fitness, exercise, strength and training.

Find out more about the Fitness centre

Nutrition centre

Find out about nutrition, cholesterol and weight management.

Find out more about the Nutrition centre

View all products