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Incomplete Month Salary Calculator
Free calculator for salary for an incomplete month in Singapore, using MOM's formula: gross pay × days worked ÷ working days in the month.
The month
Your working week
Salary for October 2026
S$2,181.82
| Working days in the month | 22 |
| Days worked | 12 |
| Formula | S$4,000 × 12 ÷ 22 |
| Salary due | S$2,181.82 |
MOM's formula
Monthly gross rate of pay × days actually worked ÷ working days in that month. Use it when you join or leave in the middle of a month, or take unpaid leave. Working days leave out rest days and off days but include public holidays.
For monthly-rated full-time employees under the Employment Act. Rules last checked October 2026. Not legal, tax or financial advice. 🔒 Everything stays on your device.
✅ Rules last checked:
📚 Official sources: MOM
We build every tool from the official rules and re-check them when they change. Always confirm with the official source before you rely on a result.
🛠️ Spotted a mistake or an out-of-date rule? Tell us
Questions people ask
How is salary for an incomplete month calculated in Singapore?+
Monthly gross rate of pay × days actually worked ÷ working days in that month (Employment Act section 20A). For example S$5,400 × 17 ÷ 21 = S$4,371.43.
Do public holidays count as working days?+
Yes. Working days exclude rest days and non-working days but include public holidays.
What counts as gross rate of pay?+
Your salary plus fixed allowances for one month. It leaves out overtime, bonus, AWS, reimbursements and productivity incentives.