Age Calculator
Calculate international age and year age
Year - Month - Day
Year - Month - Day
Age calculator
Computes international (full) age, nominal age, and Korean-style age in one go.
Enter birth date and reference date to get full age (used legally in many countries), nominal age (current year minus birth year), and Korean age (nominal + 1).
- Full age increases by one each birthday and is used on official documents in most countries.E.g. Born May 1, 2000, as of March 1, 2025: full age is 24.
- Korean age: everyone is 1 at birth and adds one on each Jan 1.E.g. Born in 2000, as of Jan 1, 2025: Korean age 26.
- Full age (international age)
- Full age is the number of complete years since birth. It is the standard for legal and administrative use in most countries.
- Nominal age
- Nominal age is (current year − birth year), often used in statistics and demographics. It does not account for whether the birthday has occurred this year.