Document Your CPD Online for Free

All of your CPD, all in one place.

How to Calculate a Body Mass Index (BMI)


Published: 10 June 2019

Cover image for article: How to Calculate a Body Mass Index (BMI)

Ausmed Explains... How to Calculate a Body Mass Index (BMI)

Body mass index (BMI) is a measurement used to classify weight.

It is calculated as the ratio of weight in kilograms (kg) divided by height in metres-squared (m2), i.e.:

BMI = WEIGHT (kg) / HEIGHT (m2).

How about calculating your own BMI? Find out what it means by comparing your results to the table in the video.

Learn more at

Related Learning Hubs

Learner Reviews


9 Total Rating(s)

Generic portrait
Michael Noah Faraja
01 Feb 2020

It is very accurate and consolidated knowledge which is easy to understand because of the key points being summarized.

Generic portrait
Tayla Delaforce
12 Jan 2020

Very simple, concise and easy to remember.

Generic portrait
Brooke HIRA
31 Jul 2019

Very quick and easy to follow.

Generic portrait
Anne Podmore
01 Jul 2019

Very clear and concise, Good to have as a reference.

Generic portrait
Michelle mckillop
01 Jul 2019

good basic overview of BMI calculation and interpretation

Portrait of Clare Bock
Clare Bock
15 Jun 2019

A basic 1 min refresher of a nursing assessment skill

Generic portrait
Catherine Papadopoulos
15 Jun 2019

Not very insightful, google supplies this information readily