Free Age Calculator
Exact age in years, months and days, plus total days lived and your next birthday countdown.
Enter a birth date to see the result.
Enter a birth date and this works out the exact age as of today (or any other date you choose), broken down into years, months and days — the same way you’d count it on a calendar, not just a rough estimate.
It also shows the total number of days, weeks and months lived, and a countdown to the next birthday.
How to use it
- Enter the birth date.
- Optionally change “as of” to a date other than today.
- Read the exact age and the stats below it.
Frequently asked questions
Why not just subtract the years?
Subtracting years alone ignores months and days, so it’s off by up to a year depending on whether the birthday has happened yet this year. This calculator counts calendar-accurate years, months and days.
Can I calculate age as of a date other than today?
Yes, change the “as of” date — useful for working out how old someone was, or will be, on a specific date.
Is my birth date sent anywhere?
No. Everything is calculated in your browser; nothing you type here is ever sent to a server.
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