Body Mass Index (BMI) and Z-Score Calculation in Children
All fields are required. Please enter a value for every field. The default units are cm and g.
Please enter the patient's gender.
Please enter whether patient is black or non-black.
Please select how patient’s age will be entered.
Please enter the patient's age in months.
Please enter the patient's date of birth (mm/dd/yyyy).
Please enter the patient's date of exam (mm/dd/yyyy).
Please enter the patient's height - be sure to indicate if centimeters or inches.
cm or in?
Please select body part for bone mineral content (BMC) or density (BMD) calculation.
Total Body Less Head (BMC)
Total Body Less Head (BMD)
Lumbar Spine (BMC)
Lumbar Spine (BMD)
Total Body (BMC)
Total Body (BMD)
1/3 radius (BMC)
1/3 radius (BMD)
Please enter body part value in grams (g).
Zemel, et al. (2011). Revised Reference Curves for Bone Mineral Content and Areal Bone Mineral Density According to Age and Sex for Black and Non-Black Children:
Results of the Bone Mineral Density in Childhood Study.
J Clin Endocrinol Metab, 96
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The Children's Hospital of Philadelphia
BMI Z-Score Calculator
LBMI / FMI Calculator
Pediatric Bone Density Calc.
Division of GI and Nutrition
Research Affinity Group