Age Calculator
Calculate your exact age and other interesting facts about your birthday.
What this tool shows
- Exact age in years, months, and days
- Total months, weeks, days, and hours lived
- Day of the week you were born
- Days until your next birthday
Privacy
Everything runs in your browser. Nothing is uploaded.
Frequently Asked Questions
How is age calculated?
Age is calculated by subtracting the birth date from the reference date, accounting for calendar differences (leap years, month lengths).
Can I calculate age at a future date?
Yes. Change the 'Age at date' field to any future date.
Is it free?
Yes, completely free.
Does it handle leap years?
Yes. Leap years and different month lengths are accounted for automatically.
What is the day of week born?
The day of the week (Monday, Tuesday, etc.) on which you were born.