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Age calculator

Your exact age, the day of the week you were born, and how long until your next birthday.

Private by design: this tool runs in your browser. Nothing you add is uploaded.

How to use it

  1. Choose a date of birth.
  2. Read the exact age in years, months and days.
  3. See the day of the week of the birth and how long until the next birthday.
Screenshot of the Age calculator tool on Sureno, in use
Age calculator in use: a real screenshot of this page.

Questions and answers

Is my birthday stored?

No. The calculation happens on this page only.

How many days old am I?

The answer shows how many days you have been alive, as well as your age in years, months and days.

Does it count leap years?

Yes. It uses the real calendar, so 29 February birthdays are handled too.

Related tools

Days between datesCount the days between two dates, or add days to a date.Countdown to a dateDays, hours and minutes until a birthday, holiday or trip.Printable calendar NewPrint a clear month or a whole year, in large print, with your own dates added.Business days calculatorCount weekdays between two dates.Sleep calculatorWhen to go to bed to wake up refreshed, in 90-minute sleep cycles.Unix timestampConvert a Unix timestamp to a date, and a date to a timestamp.

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