Age Calculator
Enter a birth date to find the exact age in years, months, and days — plus the total days lived.
How the age calculator works
Enter any birth date and the tool works out the exact age as of today — broken into complete years, months, and days. It also shows the total number of days lived, which is handy for milestone birthdays and baby ages.
Frequently asked questions
Can I use it for a baby's age?
Yes — it's especially useful for young ages, showing months and days precisely rather than rounding to whole years.
How is the age calculated?
It counts complete years first, then remaining months, then remaining days, using real calendar month lengths — the same way people naturally state an age.
Is my birth date stored?
No. The calculation happens entirely in your browser; nothing is sent to or saved on our servers.