Age Calculator
Enter your birth date to calculate your age and days until your next birthday.
How to Calculate
The Age Calculator computes your current age from your birth date.
- International Age: Standard age calculation — you turn one year older on your birthday.
- Korean Age: Starts at 1 at birth and adds a year every January 1st.
Since 2023, South Korea officially uses international age for legal purposes.
Example
FAQ
What is the difference between international and Korean age?
International age is calculated from your birthday, while Korean age starts at 1 at birth and increases by 1 every January 1st. Since 2023, South Korea officially uses international age.
How is age calculated for leap day babies?
For those born on February 29, in non-leap years the birthday is usually considered March 1 or February 28 for age calculation purposes.
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