Age Calculator
Find your exact age in years, months and days.
Pick a date
About the Age Calculator
Need your exact age for a form, a job application or just for fun? This age calculator takes a date of birth and shows your age in years, months and days up to today, together with the total number of days lived.
How to use the Age Calculator
- Choose or type a Date of birth.
- Read your age in years, months and days.
- Look at the total days lived under the result.
Good to know
- The calculation uses today's date from your device, so make sure your device date is correct.
- The date must be in the past. If you enter a future date, the tool asks you to enter a past date.
- To find someone's age on a past date, use the Date Difference Calculator with both dates.
Frequently asked questions
How is age in months and days worked out?
The calculator counts full years first, then the remaining full months, then the remaining days, taking month lengths into account.
Can I calculate the age of a child or a baby?
Yes. It works for any birth date in the past.
Is my date of birth stored?
No. The calculation runs in your browser and nothing is saved.