Age Calculator
Work out an exact age in years, months and days.
- Private
- No sign-up
- Works in your browser
Defaults to today.
Enter a valid date of birth on or before the chosen date.
What is the Age Calculator?
Enter a date of birth to work out an exact age in years, months and days at any chosen date, along with the total days lived and a countdown to the next birthday.
How to use it
- 1Enter a date of birth.
- 2Optionally change the ‘age at’ date.
- 3Read the exact age and next-birthday countdown.
Common uses
- Working out an exact age
- Counting down to a birthday
- Checking age for forms and eligibility
Frequently asked questions
Can I work out my age on a future date?
Yes. Change the ‘age at’ date to any date to see how old you (or someone else) will be then.