400 Online Calculators
Medical algorithms offers over 400 clinical calculators. Page links to 40, but just register for free to get them all.
BMI Percentile Calculator for Kids and Teens
CDC version
Burns Calculator
Online and has free downloadable program for palm os.
Children's BMI-percentile-for-age Calculator
Great calculator that automatically graphs BMI vs age.
CNRC's Children's Energy Needs Calculator
See the impact that physical activity has on a child's daily energy needs with this calculator.
EPEN
Electronic Parenteral and Enteral Nutrition - same source as the enteral calculator already on the site (U of Kansas Med Ctr), but includes parenteral calculator