Age Calculator
Free Online Age Calculator
Our free age calculator determines your exact age in years, months, and days from your date of birth. It also shows the total number of days you have lived, which day of the week you were born on, and how many days remain until your next birthday. All results update instantly when you select a date.
How to Use
Select your date of birth using the date picker above. Your exact age, total days lived, birth day of the week, and next birthday countdown will appear immediately. If you enter a future date, the calculator will display an error message prompting you to choose a past date.
FAQ
How is the exact age calculated?
The calculator computes the difference between your birthdate and today's date in complete years, remaining months, and remaining days. It correctly handles varying month lengths and leap years.
What does the next birthday countdown show?
It shows the number of days remaining until your next birthday. If your birthday is today, it counts down to the following year.
Can I enter a future date?
No. The calculator is designed for past dates only. Entering a future date will display an error message asking you to select a valid birthdate.