June 2023 standard
Calculates with the unified international (만) age in effect since 2023.
Date Calculator
Korean Age Calculator — International, Counting & Year Age
Enter your birth date to get Korean international age (만나이), counting age (세는나이), and year age. Based on the June 2023 unified standard.
Date of birth
YearMonthDay
International age (만나이)
31years old
Korean counting age (세는나이)
32years old
Year age (연나이)
31years old
Since June 2023, Korea uses international age (만나이) by law.
What is the Korean age calculator?
Enter your birth date to compute three ages used in Korea: international age (만나이), counting age (세는나이), and year age. Since June 28, 2023, official ages in Korea use the international (만) age.
How to use
- 1 Enter your birth year, month, and day.
- 2 The international age (만나이) is highlighted.
- 3 Counting age and year age are shown too.
Highlights
Three ages
Compare international, counting, and year age at a glance.
Birthday-aware
Adjusts the international age based on whether this year's birthday passed.
FAQ
International vs counting age?+
International age starts at 0 at birth and adds a year each birthday. Counting age starts at 1 at birth and adds a year every January 1 (Korean tradition).
What is the 2023 unification?+
Since June 28, 2023, Korea's official ages use the international (만) age; absent a note, age means international age.
What is year age?+
Current year minus birth year; used in some laws (military service, youth protection).
Related tools
International age is computed from your birthday. Official Korean procedures use the international (만) age.