About Age Calculator

What this site is

Age Calculator works out exactly how old you are from your date of birth. It gives your age in years, months and days, the same totals expressed in weeks, days, hours, minutes and seconds, and the number of days until your next birthday.

There is nothing to install and no account to create. Enter a date, press a button, read the answer.

How it works

The calculation runs on our server and the finished page is sent to your browser. That means the tool works even with JavaScript turned off, loads quickly on slow connections, and produces a web address you can bookmark or share with your result already in it.

Age is counted the way a calendar counts it: whole years first, then whole months, then the remaining days measured against the month that just ended. Leap years are included, so every February 29 you have lived through appears in the day and hour totals.

Who it is for

Anyone filling in a form that asks for an exact age, checking an age cut-off for school or sport, counting down to a birthday, or simply curious how many days they have been alive.

How the site is paid for

The calculator is free to use and is funded by advertising shown through Google AdSense. Ads are labelled and kept separate from your results, and they never affect the numbers the calculator produces. Our privacy policy explains what advertising partners can and cannot see.

Accuracy

The results are intended for everyday use. They are not a substitute for an official record and should not be relied on for legal, medical or financial decisions.