Adjusted Age Calculator

Calculate corrected age for preterm infants. Used for developmental milestones.

Birth History

Birth Date

Gestation (weeks)

Gestation (days)

Age Assessment

AdjustedNot yet 'born' (corrected)Corrected Age

Chronological0w 0dBy Calendar

Weeks Pre8.0weeks

Tracking progress using the adjusted age helps ensure your baby is meeting milestones appropriate for their biological development.

Disclaimer: This tool is for informational purposes only and is not a substitute for professional medical advice.

About this calculator

Overview

Adjusted age accounts for prematurity. Subtract weeks of prematurity from chronological age.

Fun Facts

Formula: Adjusted Age = Chronological Age − (40 − Gestational Age)