Chronological Age Calculator

This ad-free utility calculates precise chronological age in years, months, and days using the Pearson borrow-30 method — the
professional standard required for speech-language, psychological, and educational assessments.

Accurately handles month-length variations so you can trust the result every time. Set any report date or birth date with the
easy-to-use date picker.

A must-have tool for SLPs, psychologists, educators, and anyone who needs exact chronological age calculations. Our way of saving you a few minutes every day.