Age Calculator

Enter a birth date (and optional time) to compute exact age in years, months, days and totals (days, weeks, hours).

This free online Age Calculator helps you find your exact age in years, months, days, hours, and even minutes. Simply enter a birth date — or any past date — and get a detailed breakdown of how long you’ve lived, including total days and total weeks. The tool also shows your next birthday and how many days remain until it arrives. It’s perfect for personal use, school projects, medical forms, astrology charts, or any situation where precise age information is needed. Whether you’re checking your own age, calculating someone else’s, or determining age differences, this calculator provides instant and accurate results.

You can also check what weekday you were born on using our Weekday Calculator . If your birthday falls on a U.S. holiday, explore its meaning in our Holiday Guide .