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Exact Age Calculator

Enter your date of birth and get your exact age in years, months and days, the total days lived, hours, minutes, and when your next birthday is.

Details

Result

Enter your date of birth to calculate your exact age.

How to use: Exact age

  1. 1Enter the date of birth.
  2. 2Change the reference date if you don't want the age as of today.
  3. 3Read the age in years, months and days, days lived and the next birthday.

What is it for?

  • Fill in official forms that ask for an exact age.
  • Work out a baby's age in months and days.
  • See how many days are left until your next birthday.

How exact age is calculated

Years, months and days

Age is obtained by subtracting dates and adjusting borrowed days and months: if the birth day is later than today's day, one month is taken off and the days of that month are added. The result is the time actually completed.

29 February

People born on 29 February have their birthday in leap years. Legally, many countries treat it as 28 February or 1 March in non-leap years; the tool shows total days lived to avoid ambiguity.

Other data it offers

Besides age, it shows total days, weeks and hours lived and the days left until the next birthday. The calculation runs in your browser and the date is never sent to a server.

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Frequently asked questions

Is age calculated in days too?+

Yes. Besides years/months/days, it shows total days, hours and seconds lived.

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