How is my age calculated?

We compute the difference between your date of birth and today's date, accounting for leap years and varying month lengths, to give an exact years/months/days result.

Can I find the difference between two dates?

Yes. Besides age, the tool can show the gap between any two dates in days.

Is my date of birth stored anywhere?

No. The calculation runs in your browser and nothing you enter is sent to a server.

Age Calculator

Find your exact age and days to your next birthday from your date of birth.

Private by design. Everything runs in your browser — your data is never uploaded to or stored on our servers. How we handle data

Date of birth

Age as of

Defaults to today.

Days between two dates

Start date

End date

Work out your exact age

Enter your date of birth and instantly see how old you are in years, months and days. The tool also tells you how many days remain until your next birthday — handy for forms, eligibility checks and just curiosity.

How to use it

Pick your date of birth.
Optionally set the "as of" date (defaults to today).
Read your exact age and the countdown to your next birthday.

Frequently asked questions

How is my age calculated?: We compute the difference between your date of birth and today's date, accounting for leap years and varying month lengths, to give an exact years/months/days result.
Can I find the difference between two dates?: Yes. Besides age, the tool can show the gap between any two dates in days.
Is my date of birth stored anywhere?: No. The calculation runs in your browser and nothing you enter is sent to a server.

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