Age Calculator Online — Exact Age in Years, Months & Days
Find exact age in years, months and days between two dates.
FAQ
Age Calculator — frequently asked questions
How is exact age calculated?
The tool counts full years, then the remaining months and days between the date of birth and the target date. It also shows total days, weeks and months lived, and the days left to the next birthday.
Can I find the age on a past or future date?
Yes. Set “Calculate age as of” to any date, or press Today to use the current date. Leave it unchanged and today's date is used.
How is the next birthday worked out?
It counts the days until the birthday comes round again and shows Today on the birthday itself. For 29 February births, 1 March is used in years that are not leap years.
Are my numbers uploaded or stored anywhere?
No. Age Calculator runs in your browser, so your numbers stay on your device and are never sent to our servers or saved anywhere.
Is Age Calculator really free? Do I need to sign up?
Yes, it is completely free. There is no account, signup, watermark or email to hand over; open the page and use it as often as you like.
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QUICK GUIDE
How to use Age Calculator
- Fill in the fields above.
- Click Calculate.
- See the result instantly below.
Privacy
This tool runs in your browser. No data is ever sent to a server, and there is no usage limit.