BMI Calculator and Curves

This calculator gives BMI

This one also gives BMI Z Score (Courtesy of USDA/ARS Children's Nutrition Research Center)

Z-score can be a useful way of following weight in obese children who are above 97th centile

Overweight based on 25kg/m² for adult

Obese based on 30kg/m² for adult

BMI Curves

Sourced from: Establishing a standard definition for child overweight and obesity worldwide: international survey. Tim Cole et al. BMJ 2000;320:1240 ( 6 May )

CDC BMI chart for boys
CDC BMI chart for girls
CDC BMI & growth charts (full set)

You will require Adobe Acrobat Reader to download these forms.

If you do not have a copy of Acrobat Reader the latest copy is available for free from www.adobe.com.

Last Updated 06-Mar-2009. Authorised by: Mike South. Enquiries: Mike South.

Height in	Metres
Weight in	Kg
	kg/m²

Select Sex:	Select Race:	Enter Age (years)	Enter Weight ( kg)	Enter Height (cm)
Male Female		(2 - 20)	(5 - 140)	(60 - 210)

(Acceptable ranges for values are listed below form fields.)