Ideal Body Weight

Name: Ideal Body Weight
Creator: Daniel Diaz-Gil, MD
Keywords: ideal body weight, IBW, McLaren, percent IBW, adjusted body weight, nutrition, pediatric, obesity, underweight

Calculates ideal body weight, percent ideal body weight, and adjusted body weight

Clinically Verified· 5 tests

For educational and informational purposes only. Verify all results before clinical application.

Sex *

Height *

Age *

years

Actual Weight *

References

McLaren DS, Read WW. Classification of nutritional status in early childhood. Lancet. 1972;2(7769):146-148.[DOI]

Reviewed by Daniel Diaz-Gil, MD · Last updated March 2026

Medical disclaimer

This tool is for educational and informational purposes only. It is not a substitute for professional clinical judgment. Always independently verify results before making clinical decisions.

Professional Resources — Tools used by pediatricians for growth measurement

Seca 213 Portable StadiometerPortable stadiometer for accurate height measurement~$80via Amazon Digital InfantometerPrecise length measurement for infants~$60via Amazon Growth Chart Wall PosterWHO/CDC growth charts for clinic display~$15via Amazon