Korea Military Discharge Calculator
Pick your enlistment date and branch to get the discharge date, remaining days (D-day) and service progress in real time. Service periods follow South Korea's Military Service Act — for other countries or cases, enter the months yourself with the Custom option. All calculations run in your browser.
Select an enlistment date to see the discharge date.
How to use
- Select your enlistment date.
- Select your branch (Army, Marines, Navy, Air Force, Social Service).
- The discharge date, remaining days and service progress appear in real time.
Frequently asked questions
How is the discharge date calculated?
The discharge date is the enlistment date plus the branch's service months, minus one day. For example, an Army soldier (18 months) who enlists on January 10 is discharged on July 9 of the following year.
How long is service for each branch?
Based on South Korea's periods: Army and Marines 18 months, Navy 20 months, Air Force 21 months, Social Service 21 months. Other countries differ — use the Custom option.
How is service progress calculated?
It shows the percentage of days served so far out of the total days between enlistment and discharge.