Age Calculator
Calculate exact age in years, months and days from a birth date.
Calculate nowHow it works
Enter birth date
The date to calculate from.
Choose a reference date
Defaults to today, adjustable.
Read the age
Years, months, days and total days shown instantly.
Benefits
Good to know about this tool
Calculates exact age in years, months and days as of any reference date.
Because an exact age calculation is needed more often than a simple year subtraction provides.
- Determine exact age for contracts or applications
- Calculate age as of a past or future reference date
- Find the total number of days lived
- The device's time zone is used for the calculation
- Cross-check the result against the original for official applications
Frequently Asked Questions
Can I calculate age as of a past date?
Yes, the reference date is freely adjustable and doesn't have to be today.
What happens with a future birth date?
The tool shows a notice that the birth date is in the future.
Is my data stored?
No, the calculation happens entirely locally in your browser.
The information, templates, scripts, calculations and recommendations provided are intended for educational and assistance purposes only. Always review and test any generated result before production use. IT Smart Service accepts no liability for misuse, data loss, outages, security incidents, or legal, financial or technical damages arising from incorrect or improper use. Responsibility for validation, testing and deployment decisions rests with the user.
Need personal support? Our team can help with anything beyond this tool.
Need professional IT support?
Our team can help if the free tool is not enough for your project.