Date & time Age

Exact age calculator

Date of birth
On this date
Exact age
The same age, other ways
In months
In weeks
In days
In hours
Born on a
Next birthday
Days to go
Turning
Note Enter a date of birth
Complete years, months, then days
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An exact age counts complete years, then complete months, then the days left over. Someone born on 15 June 1990 is, on 23 August 2026, exactly 36 years, 2 months and 8 days old.

How to work out an exact age

1 Enter the date of birth.
2 The second date is today unless you change it.
3 Read the exact breakdown, with totals underneath.
4 The next birthday and days to go are shown too.

Age ticks over on the birthday itself, not the day before, which is why the day before a birthday still counts as the previous age everywhere except in a handful of legal contexts. The awkward case is a 29 February birth date: this tool clamps to 28 February in common years, which matches the everyday convention, though jurisdictions differ on the legal answer.

Questions

Complete years first, then complete months, then the remaining days.

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