If you use the CDC calculator, the units are entered in centimetres, and it gives the BMI and BMI percentile, indicating whether it is the healthy range. Be aware – this is an American site which uses “at risk of overweight” for overweight and “overweight” for children who are obese.
For more information and resources on a healthy lifestyle, look at the following websites and parent information sheets.
Activity guidelines for children
Drinks
Healthy eating principles
The Dietitians Association of Australia provides a list of Private Dietitians available in Australia. You can use the link below to find an accredited Private Dietitian near you.