Calculate your exact age. Calculate your exact age in years, months, weeks, days, hours and minutes from your birth date. It all happens in your browser, so your date of birth never gets sent out.
Age Calculator
Calculate your exact age from your date of birth — in years, months, days, weeks, hours and minutes. Everything runs in your browser; your date of birth is never sent anywhere.
Your Age
Your Exact Age
| Measurement | Result |
|---|---|
| Years | |
| Months | |
| Weeks | |
| Days | |
| Hours (approx.) | |
| Minutes (approx.) | |
| Seconds (approx.) |
Hour/minute/second totals are approximate: based on full calendar days, not your exact birth time.
Your Next Birthday
- Next Birthday
- Days Until Birthday
Birthday Details
- Day of Birth
- Month of Birth
- Birth Year
- Day of the Week
- Birthdays Celebrated
Based on standard Western zodiac date ranges. Shown for reference only — not a personality, compatibility, or health indicator.
How to Use an Age Calculator
Please enter your date of birth.
Choose a date you want to calculate your age on – or leave it as today’s date.
Click on Calculate My Age
See your exact age in years, months, days and more.
What is an Age Calculator?
An age calculator calculates your age based on your date of birth and a calculation date you specify. Instead of just dividing the total days by 365, this calculator counts full completed years, then full completed months, then the remaining days — the same way you’d count a birthday by hand, just calendar-aware and instant.
What is age calculation?
For example, if the calculation date is August 9, 2026, and the person was born on January 15, 1998, the person has completed 28 full years as of the last January 15. From there, the calculator counts the completed months since that birthday, then leftover days, to arrive at the final years/months/days figure.
Age in Other Units
Once you know your age from the above, you’ll get the same result broken down into years, months, weeks, days and approximate hours, minutes and seconds, useful for everything from filling out forms to just plain satisfying the curiosity about how long you’ve been alive.
Years / Months / Weeks / Day
Frequently Asked Questions (FAQs)
How do I know how old I am?
Input your date of birth above, check or change the “Calculate Age On” date, and click Calculate My Age. Your exact age in years, months and days shows up instantly.
How old am I if I was born on a particular date?
Type that date of birth into the calculator and leave the “Calculate Age On” as today. The calculator shows you your current age in years, months, days and hours.
Can I find out my age on a certain date?
Yes. Set the “Calculate Age On” field to a past or future date and see what your age will be on that date great for eligibility, historical questions or looking ahead.
Does the calculator account for leap years?
Yes. Leap years, Feb 29th birthdays, varying month lengths, etc. are all accounted for with calendar aware date logic, not just simple day division. For additional information about leap years, see Timeanddate’s leap year explanation.
What do you do on a birthday if you are born on February 29?
In non-leap years, birthday countdowns for February 29 birthdays are considered birthdays of February 28. This rule is consistently applied in the calculator.
Can I calculate days of age?
‘Yes. The detailed breakdown table shows you exactly how old you are in total days, plus weeks, months and approximate hours, minutes and seconds.
Is the Age Calculator free to use?
Yes, you can use the tool for free, no account, login or email is needed.
Is my date of birth kept?
Nope. All calculations are done in your browser. We do not send your date of birth or calculation date to our servers.
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