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London Weight Loss Clinic

BMI Calculator

Finding out your Body Mass Index (BMI) is the first step towards a healthier you.

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Frequently asked questions about BMI

Answered by our experienced medical team.

What is BMI?
How is BMI calculated?
What do the BMI categories indicate?
Is BMI a perfect measure of health?
Can children use the BMI calculator?
Why does BMI adjust for children and teenagers?
What are the limitations of BMI?
How often should I check my BMI?
What should I do if my BMI is too high or too low?
Does a normal BMI guarantee good health?

Medically reviewed

This page was last medically reviewed by Dr Adam Abbs on 4 June 2024.

London Weight Loss Clinic is committed to providing you with the most objective, trustworthy and accurate health information.

Our content is regularly updated to reflect the latest medical research and guidelines.

  • Dr Adam Abbs

    Dr Adam Abbs


    Dr Adam Abbs is an NHS-trained GP with a keen focus on digital health, AI in healthcare, and personalised medicine, including weight loss. He is a leader in creating new ways to provide safe and easy-to-access healthcare through remote care. Dr Abbs is also a skilled medical writer and wrote the RCGP-accredited Remote Consultation Handbook in 2020.

    GMC Number: 7078829