Age Calculator — from your exact age to the days left until your next birthday
Enter a date of birth and this tool instantly works out your exact (international) age right in the browser. It is handy whenever you need the official age used on documents, or want to compare it side by side with the Korean counting age and the simple year-difference age.
How to use
- Pick your date of birth in the date of birth field.
- The moment you enter it, your exact age appears as a large number with the details below.
- To check your age on a specific day, change the reference date to any date you like.
- Press "Set reference to today" to jump the reference date back to the current day.
Features & tips
- The exact age is calculated by precisely checking whether your birthday has passed.
- It also shows the Korean counting age and the year age (year difference).
- A countdown D-day to your next birthday and the total days since birth are displayed too.
- People born on February 29 are treated as having a March 1 birthday in common (non-leap) years.
FAQ
Q. Why do I see three different ages? A. The exact age rises on each birthday, the counting age treats the birth year as age one, and the year age is simply the difference between the two years.
Q. Can I calculate my age on a past or future date? A. Yes. Change the reference date and every result updates to that date.
