How old are you, exactly?
Enter your date of birth and get your precise age — down to the day — plus everything you've lived through, when your next birthday lands, and your zodiac sign.
Enter your date of birth
It takes about five seconds. Nothing is saved or sent anywhere — the maths happens right here on your phone.
Your exact age is
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🎉 Next birthday countdown
Your zodiac sign
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How this age calculator works
Most people just subtract the birth year from the current year — but that can be wrong by almost a full year. This calculator does it properly, the same way it's done on official documents.
It counts full years first, then full months, then the remaining days — borrowing days from the correct previous month, including leap years and February's changing length.
Your birth date is compared with today to total up your days, weeks, months, hours and minutes. The seconds counter keeps ticking live while the page is open.
Your next birthday is the next time your birth month and day come round. Your zodiac sign comes from where your birthday falls in the traditional zodiac date ranges below.
All 12 zodiac signs
Find yours in the list — then check your friends' birthdays against it.
How your link will look on Facebook
Share age.naimul.cyou anywhere and this is the preview people will see — title, description and thumbnail included.
Enter your birth date and find your exact age in years, months & days, total days lived, next birthday countdown and zodiac sign. Try it — it's free!
Common questions
How do I calculate my exact age?
Count the full years from your birth date to today, then the full months after your last birthday, then the remaining days. For example, someone born on 15 March 2000 is 26 years, 7 months and 24 days old on 8 November 2026. This page does that maths for you instantly.
Why is my age in days different from years × 365?
Because of leap years. Roughly one year in four has 366 days, so your total days lived is a little higher than years × 365. This calculator counts actual calendar days, leap days included.
What if I was born on 29 February?
Leap-day babies are handled specially: in years without a 29 February, your birthday countdown points to 1 March, and your exact age still counts every real day you've lived.
Is my birth date private?
Yes. Everything is calculated in your browser on this page. Your date of birth is never sent to a server, saved, or shared — unless you tap a share button yourself.
How accurate is the zodiac sign?
It uses the standard Western zodiac date ranges. If your birthday falls right on the first or last day of a sign (a "cusp" day), some sources place it in the neighbouring sign — that's normal for cusp dates.