Your Age Calculator
Calculate exact age in years, months and days between a birth date and any target date (usually today). Enter your date of birth and instantly see your precise age broken down by year
- Free to use
- No signup
- Nothing to install
- Works in any modern browser
Illustration. Open the tool for the real thing.
What is the Age Calculator?
Calculate exact age in years, months and days between a birth date and any target date (usually today). Enter your date of birth and instantly see your precise age broken down by year, month and day, plus useful extras like total days lived and the day of the week you were born on.
Useful for anything requiring a precise age — official forms, eligibility checks, or just satisfying curiosity about exactly how many days you've been alive.
3 steps to your result
Open the tool and follow along. Nothing to install.
What you get
See your precise age, not just a rounded number of years.
Calculate age as of any date, not only today — useful for eligibility or legal purposes.
See the total number of days between your birth date and the target date.
Get results immediately with no account required.
AZRS tools are free to open and use.
It opens in your browser, so there is nothing to download.
Used for
Pick one to see how it fits.
Anyone filling out official forms
Get a precise age for forms that require exact years, months and days.
Try it freeParents
Track a child's exact age for milestones, school cutoffs or medical appointments.
Try it freeAnyone curious
Find out exactly how many days old you are or what day of the week you were born.
Try it freeHow it compares
A plain look at this tool next to the usual alternative.
| This calculator | Desktop software | |
|---|---|---|
| Install | Nothing to install | Usually an app or program to install |
| Account | No signup | Depends on the product |
| Cost | Free to use | Free or paid, depends on the product |
Questions people ask
How is exact age calculated?
By counting the complete years, then complete months, then remaining days between the birth date and the target date, correctly accounting for varying month lengths and leap years.
Can I calculate my age on a future or past date, not just today?
Yes, enter any target date and the calculator computes your exact age as of that date.
Is this age calculator free?
Yes, free with no signup.
Does it account for leap years?
Yes, the calculation correctly handles leap years and varying month lengths.
Can I find out what day of the week I was born?
Yes, that's included in the results alongside your exact age.
More free tools
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Try the Age Calculator now
Calculate exact age in years, months and days between a birth date and any target date. Free to use.
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