Age Calculator: How Old Am I

Age Calculator shows your exact age in years, months and days the moment you open it, and counts down to your next birthday. Enter your date of birth once: this age calculator remembers it.

How old am I today? How many days old am I? When will I be 10,000 days old? One screen answers all of it, live.

◆ YOUR EXACT AGE, LIVE
• Age in years, months and days, always up to date
• Add your birth time and watch the hours, minutes and seconds tick
• Total months, weeks, days, hours, minutes and seconds you have lived
• Correct for leap years, February 29 birthdays and month ends

◆ BIRTHDAY COUNTDOWN
• Days and hours left until your next birthday, with a progress ring
• The weekday your birthday falls on and the age you will turn
• A birthday countdown for every person you save

◆ BIRTHDAY REMINDER
• Save the birthdays of family, friends, colleagues and your partner
• One list sorted by who is next: today, this week, this month, later
• Notifications on the day and 1, 3 or 7 days earlier, at the time you choose
• Year unknown? Save only the day and month
• Import birthdays from your contacts if you like
• Emoji and colour avatars, search and quick editing

◆ MILESTONES YOU WOULD OTHERWISE MISS
• 10,000 days, 1,500 weeks, 400 months, 1 billion seconds…
• The exact date of each milestone, with an optional reminder so you can celebrate

◆ FUN FACTS ABOUT YOUR BIRTHDAY
• The day of the week you were born
• Your zodiac sign and Chinese zodiac animal
• Your birthstone and generation (Gen Z, Millennial, Gen X…)
• Roughly how many heartbeats and breaths so far

◆ DATE CALCULATOR
• Age calculator by date of birth: your age on any date, past or future
• Age difference between two people, picked from your list or typed in
• Add or subtract days, weeks, months or years from any date

◆ HOME SCREEN WIDGETS
• My age and the days left to my birthday
• The next three upcoming birthdays

◆ SHARE YOUR AGE
• Turn "I'm 9,876 days old" into a beautiful card and send it to friends

◆ MADE FOR EVERY DAY
• Light and dark theme, dynamic colours
• Your date format and first day of the week
• 19 languages
• Backup and restore as a file
• Your data stays on your device. No account, no sign-up.

WHO IS THIS AGE CALCULATOR FOR?
• Anyone who needs a chronological age for a form or an application
• Parents following a baby's age in weeks and months
• People who never want to forget a birthday again
• The curious: how many days, hours or seconds have I been alive?

HOW IT WORKS
1. Enter your date of birth, and your birth time if you know it
2. See your age, your next birthday and your milestones at once
3. Add the people you care about and turn on reminders

QUESTIONS PEOPLE ASK
• How do I calculate my exact age? Just open the app: years, months and days are worked out from your date of birth.
• What if I was born on February 29? In years without a leap day, your birthday is counted on February 28.
• Can I be reminded before a birthday? Yes: 1, 3 or 7 days earlier, and on the day itself.
• Where is my data kept? On your device. Nothing is sent to us, and you can export a backup file whenever you like.

Download Age Calculator, enter your birthday once, and see your age like never before.