Prorated Salary by Calendar or Thirty-Day Basis

Compare gross pay for a partial employment period. This counts calendar days including both endpoints, rather than actual attended workdays with weekends removed.

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How to use this tool

Enter KRW full-month pay and start/end dates, then choose actual days in each month or a fixed thirty-day denominator. Multi-month ranges are split, so review each month’s numerator and denominator.

Results and examples

Monthly amount is salary × included days ÷ chosen denominator. A full thirty-one-day month on the fixed-thirty basis gives 31/30 of salary, without an automatic contractual pay ceiling.

Worked example

KRW 3 million for days one through fifteen in a thirty-day month gives fifteen included days and KRW 1.5 million.

Limitations

Paid rest, absences, paid leave and hourly ordinary wage are not separately handled.
The result can differ from employment rules or contract provisions.

Fields

Field	Guidance and constraints
Full-month salary (pre-tax, KRW)	Check the unit and format displayed beside this field.
Work start date	Check the unit and format displayed beside this field.
Work end date	Check the unit and format displayed beside this field.
Calendar days in that month	Check the unit and format displayed beside this field.
Fixed 30 days per month	Check the unit and format displayed beside this field.