Korean Age Calculator
Calculate your Korean age based on your birth year and current year. Korean age is different from international age because it counts the time in the womb as one year and adds a year on New Year's Day.
Published by:
isCalculator Editorial Team
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How to use this tool?
This calculator determines your Korean age, which is calculated differently from your international age. In Korea, you are considered 1 year old at birth, and everyone adds a year on New Year's Day.
How to Use
- Enter your birth year (e.g., 1990) in the "Birth Year" field.
- Enter the current year (e.g., 2025) in the "Current Year" field. This field is pre-filled with the current year.
- Click the "Calculate Korean Age" button or press Enter on your keyboard.
Understanding the Result
The result shows your Korean age, calculated using the formula: (Current Year - Birth Year) + 1. For example, if you were born in 1990 and the current year is 2025, your Korean age is 36.
Important Notes
- Both years must be between 1900 and 2100.
- The birth year cannot be later than the current year.
- This calculator does not consider your birthday; it only uses the year difference.
Previous Results
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Frequently Asked Questions
Korean age is a system used in South Korea where a person is considered 1 year old at birth (counting time in the womb) and everyone ages one year on New Year's Day, not on their birthday.
Korean age is calculated as (Current Year - Birth Year) + 1. For example, if you were born in 1990 and the current year is 2025, your Korean age is (2025 - 1990) + 1 = 36.
No, Korean age is usually 1 or 2 years older than international age, depending on whether your birthday has passed in the current year. This calculator uses the simplified formula that adds 1 year regardless of birthday.