Age Calculator
Enter a date of birth to see your age in years, months and days, your total days lived and the days until your next birthday.
How is it calculated?
- Full years: Complete years from the date of birth to the calculation date are counted.
- Months and days: The remainder is split into full months and remaining days.
- Total days: The number of calendar days between the two dates.
Example
| Date of birth | Date | Result |
|---|---|---|
| 15 May 1990 | 14 October 2026 | 36 years 4 months 29 days (13,301 days) |
| 14 October 2000 | 14 October 2026 | 26 years 0 months 0 days, birthday today |
For another calculation see the days between two dates calculator.
Frequently asked questions
How is age calculated?
The full years, months and days between the date of birth and the calculation date are found. If the birthday has not yet come this year, the age is one less.
How do I find the days until my birthday?
Just enter your date of birth. The tool shows the next birthday, the weekday and the days left.
Can I calculate age on another date?
Yes. Enter the date in “Date to calculate to”; leave it empty to use today.
Is my date of birth stored?
No. The calculation runs in your browser and nothing is sent to a server.
This tool does a calendar calculation and is for information only. For official procedures rely on the relevant authority’s calculation.