Utility template
Age Calculator
Calculate age from a birth date in years, months, days, and total days lived.
Category: Calculators
Tool interface
Date of birth
Select a birth date to calculate age in years, months, days, and total days lived.
Privacy
Your birth date is processed locally in your browser and never sent to a server.
Why this template exists
Every utility uses the same foundation so new tools stay consistent across navigation, accessibility, mobile layout, and SEO.
How it works
Pick a birth date and Utiliful compares it with today in your browser to estimate age in years, months, days, and total elapsed days.