Age calculator
Work out exactly how old you are, or anyone is, in years, months and days, from a date of birth.
Counted on the UK calendar, from today's date in the UK.
Result
Born on Friday 15 June 1990, you are now 36 years, 4 months and 30 days old.
years old
| In months | 436 |
|---|---|
| In weeks | 1,900 |
| In days | 13,301 |
| Next birthday | 15 June 2027, in 213 days |
Show the workings
| Step | Sum | Answer |
|---|---|---|
| Whole years, months and days | 15 June 1990 to 14 November 2026 | 36 years |
| Days between the dates | 14 November 2026 − 15 June 1990 | 13,301 days |
| Next birthday | 15 June 2027 | 213 days |
What this leaves out or assumes
- Counts whole days, so the time of birth is not taken into account.
Where the figures come from
This sum uses only the numbers you entered.
How we work out an age
- Count the whole years from the date of birth: you add a year on each birthday.
- Count the whole months since the last birthday: a month is added on the same day of each month.
- Count the days left over since that day of the month.
So someone born on 15 June 1990 is 36 years, 4 months and 30 days old on 14 November 2026.
If you were born on 29 February
29 February only comes in a leap year, which is every 4 years with a few exceptions. In other years we count your birthday as 28 February, so a 29 February birthday never goes missing. Some people celebrate on 1 March instead; the law can treat the date differently for different purposes.
Age in days, weeks and months
The result also gives your age as a total of months, weeks and days. The weeks are whole weeks, and the days are every day from your date of birth up to the date you are measuring to, not counting the day you were born.