Korean Age Calculator
Calculate international age, Korean counting age, and the days until your next birthday
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Enter a date of birth to calculate your international age as of today, your Korean 'counting' age, and the days remaining until your next birthday. It follows the standard adopted after Korea unified on international age in 2023.
How to use
- Select the date of birth.
- Change the reference date if needed (defaults to today).
- Your international age, counting age, and next-birthday countdown appear.
FAQ
- How do international age and Korean counting age differ?
- International age starts at 0 at birth and adds a year on each birthday, while the traditional Korean counting age starts at 1 at birth and adds a year every New Year's Day.
- What was the 2023 age unification?
- As of June 2023, Korean law and administration standardized on international age. This calculator shows international age by default.
- How is it calculated on the birthday itself?
- On the day of your birthday, your international age is counted as having gone up by one year.