Age Calculator
Enter a date of birth to get the exact age in years, months and days, the weekday of birth and totals in months, weeks and days. Leap years and month lengths are handled exactly.
Free · works offline after the first visit · no account · your dates never leave your device.
Examples on 1 January 2026
| Born | Age on 1 January 2026 |
|---|---|
| 29 February 2000 (Tuesday) | 25 years 10 months 3 days |
| 1 January 1990 (Monday) | 36 years 0 months 0 days |
| 15 August 1985 (Thursday) | 40 years 4 months 17 days |
| 31 December 2010 (Friday) | 15 years 0 months 1 day |
Questions
Is my date of birth saved or sent?
It is calculated on your device and never sent anywhere.