BMI calculator

Use this service to calculate your BMI. You can use your BMI result as a starting point for further discussion with a GP about your weight and general health.

You can use this service if you:

  • are registered at the surgery
  • have been invited to do so

Before you start

We’ll ask you for:

  • your first and last name, date of birth, sex, postcode, email and phone number
  • if applicable, the details of the person you are completing the form on behalf of
Start now

You can also phone us on 020 8946 7578.