Age Calculator
Calculate your exact age in years, months, and days. See total days lived, total hours, and countdown to your next birthday.
About Age Calculator
Our free Age Calculator computes your exact age in years, months, and days from your date of birth. It also shows additional details like total days lived, total hours lived, and a countdown to your next birthday — perfect for planning celebrations!
The calculator uses precise date arithmetic to account for varying month lengths and leap years, giving you an accurate age calculation every time. Whether you need to verify your exact age for official documents, calculate age differences between people, or simply find out how many days until your next birthday, this tool has you covered.
All calculations happen in your browser. Your date of birth is never sent to any server or stored anywhere, ensuring complete privacy.
Frequently Asked Questions
Q How does the age calculator handle leap years?
The calculator accounts for leap years by using precise date arithmetic. If you were born on February 29, it correctly calculates your age even in non-leap years. Total days and hours include the extra day from each leap year in your lifetime.
Q What is the "Total Hours Lived" calculation?
Total hours lived is calculated by multiplying the total number of days you've been alive by 24. This gives an approximate count of hours since your birth. It's a fun way to visualize just how much time has passed!
Q Can I calculate the age of someone who hasn't been born yet?
No. The calculator only works with past dates. If you enter a future date, it will display an error message. The maximum allowed date is today's date.