Age calculator
Exact age in years, months and days, and the countdown to the next birthday.
Age
How to use it
- Enter the date of birth.
- The age is worked out for today. Change Age on to find an age on any other date, past or future, such as a school start date or a deadline.
- Read the exact age, the totals in months, weeks and days, and the countdown to the next birthday.
Questions
How is the exact age calculated?
By counting whole years from the date of birth, then whole months, then the days left over, just as you'd count on a calendar. Someone born on 15 June 1990 is 36 years, 4 months and 26 days old on 10 November 2026.
What if I was born on 29 February?
In years without a 29 February, this calculator counts your birthday as 28 February. Some countries' laws use 1 March instead for legal age, so check if it matters for an official form.
Can I work out an age on a past or future date?
Yes. Change Age on to any date. That's handy for school or sports cut-off dates, insurance or retirement planning.
Is my date of birth saved anywhere?
No. It's calculated in your browser and kept only while this tab is open, so a refresh doesn't clear it. Nothing is sent to a server.