Age Calculator

Find out your exact age down to the second. Enter your date of birth to see your age in years, months, days, hours, minutes, and seconds, plus a countdown to your next birthday.

Your Age

Total Months
Total Weeks
Total Days
Total Hours
Total Minutes
Total Seconds

Next Birthday

How Does the Age Calculator Work?

The age calculator computes the difference between your date of birth and the current date and time. It calculates the exact number of years, months, and days that have passed since your birth, taking into account varying month lengths and leap years.

Understanding Age Breakdowns

  • Years, Months, Days: The most common way to express age, accounting for calendar irregularities
  • Total Months: Your age expressed entirely in months
  • Total Weeks: Useful for tracking pregnancy or infant age
  • Total Days: The exact number of days you have been alive
  • Total Hours/Minutes/Seconds: For a more dramatic perspective on the passage of time

Interesting Age Facts

The average person lives approximately 27,375 days (75 years). A person born on February 29th (a leap day) technically only has a birthday every 4 years, though they still age one year per year. The concept of "Korean age" adds one year at birth and another year on New Year's Day, making people 1-2 years older than in Western age counting.

Birthday Countdown

The countdown shows exactly how many days remain until your next birthday. This can be helpful for planning celebrations or simply satisfying curiosity about when your special day is coming up.