USDA/ARS Children's Nutrition Research Center

Interactive Calculators


These tools are created and maintained by the USDA/ARS Children's Nutrition Research Center which houses laboratories of varied disciplines, a vast array of state-of-the-art equipment, a greenhouse, observation labs and accommodations for research volunteers, a metabolic kitchen and an elite group of scientists conducting groundbreaking research.


HealthyMe Calculator

Item Definition

HealthyMe is a set of tools designed to estimate a child’s Health Status, including indexes of obesity and body fat, activity and energy, daily eating patterns, and fitness levels.

Pediatric DXA References

Item Definition

The DXA calculators work with national pediatric normative data and provide reference charts for bone mineral content, density, and fat- and fat-free mass based on age and on height.

Pediatric Blood Pressure References

Item Definition

 This calculator can help to determine whether a child has a healthy blood pressure for his/her height, age and gender.