Korean Military Discharge Date Calculator
Enter the enlistment date and branch to see the discharge date, days left and percent served. Mandatory service is 18 months in the Army and Marines, 20 in the Navy and 21 in the Air Force or social service.
FAQ
How long is military service in South Korea?
18 months in the Army and Marine Corps, 20 months in the Navy, and 21 months in the Air Force or as a social service agent.
How is the discharge date calculated?
Service ends the day before the same calendar date, N months after enlistment. Someone who enlisted in the Army on March 10, 2025 is discharged on September 9, 2026.