Age Calculator
Find your exact age in years, months, and days. See total days lived and a countdown to your next birthday.
How to Use the Age Calculator
Calculating your exact age is simple with this tool:
- Enter your date of birth — Use the date picker or type your birth date in the input field.
- Click "Calculate Age" — Your exact age in years, months, and days will appear instantly.
- View additional details — See the total number of days you have lived, a countdown to your next birthday, and the day of the week you were born.
About Age Calculation
Age calculation involves finding the difference between two dates — your date of birth and the current date. While it may seem straightforward, accurate age calculation must account for varying month lengths (28 to 31 days), leap years (which add an extra day in February every four years), and time zone considerations.
This calculator uses a precise algorithm that handles all of these edge cases. It computes your age in complete years, remaining months, and remaining days. Additionally, it calculates the total number of days lived using the actual calendar difference, ensuring accuracy even across century boundaries and leap year cycles.
The next birthday countdown shows the number of days remaining until your next birthday, making this tool useful for planning celebrations, tracking milestones, or simply satisfying your curiosity about the passage of time.
Frequently Asked Questions
The age calculator takes your date of birth and compares it to today's date to calculate the exact difference in years, months, and days. It also computes the total number of days lived and how many days remain until your next birthday.
Simply enter your date of birth and the calculator will automatically display the total number of days between your birth date and today. This calculation accounts for leap years and varying month lengths.
Yes, the calculator properly accounts for leap years. A leap year occurs every 4 years (with exceptions for century years not divisible by 400). The total days calculation and age breakdown both factor in these additional days.
This calculator computes the age from your entered date of birth to today's date. By entering any past date as the "date of birth," you can effectively calculate the time elapsed between that date and the present.