Calculator Tools/Age Calculator
Age Calculator
Calculate international and Korean age
Enter Birth Date
Age Calculation Result
Select birth date
Frequently Asked Questions
International age counts completed years since birth - you turn 1 on your first birthday. Korean age (traditional, now abolished since 2023) counted everyone as 1 at birth and added a year every New Year's Day. Year age simply subtracts birth year from current year.
While South Korea officially abolished the Korean age system in June 2023, it's still commonly referenced in daily conversations and cultural contexts. We include it for reference and historical comparison, with a note that it's the traditional system.
The calculator finds your next birthday based on the target date, then counts the days between. If your birthday has already passed this year relative to the target date, it counts days until your birthday next year.
Yes, use the Target Date field to set any date you want. This is useful for determining age at a specific event, calculating retirement eligibility at a future date, or verifying age requirements at a past date.
Detailed age (X years, Y months, Z days) shows your exact age with full precision. This is useful when exact age matters, such as for infant development milestones, insurance purposes, or legal age requirements that consider months.