Calculate Korean full age, counting age, and calendar-year age.
Since June 2023, Korea has unified official and legal age to 만 나이 (full / international age). However, 세는 나이 (counting age) is still widely used in everyday conversation, so the meaning can differ depending on context.
Counted age (세는 나이) treats the year of birth as age 1 and adds a year every New Year's Day. International age (만 나이) is the international standard, and year age (연 나이) is simply 'this year minus birth year.' From a date of birth, this tool shows all three.
From June 2023, Korea standardized official ages to international age (만 나이). Because counted age is still sometimes used in everyday conversation, this tool lets you check both.
No. Calculation happens entirely in your browser, and your date of birth is never sent anywhere. It is completely free with no sign-up required.
