Estimate your 13th month pay based on your basic salary and months worked in the calendar year.
Formula: Total basic salary earned during the calendar year ÷ 12 = 13th month pay.
Input Details
Choose Computation Mode
📅 Simple ModeMonthly salary × months worked
✍️ Manual ModeEnter total basic salary earned
Monthly Basic Salary
₱
Use your basic salary only. Do not include overtime, allowances, holiday pay, night differential, or bonuses.
Months Worked
Unpaid Leave / Absences Deduction
₱
Computation Basis: ₱0.00 total basic salary earned
Total Basic Salary Earned This Year
₱
Use this if your salary changed during the year or you want to enter your exact total basic salary earned.
Computation Result
Results will appear after clicking the calculate button.
13th Month Pay Breakdown
Total Basic Salary Earned
₱0.00
Formula Used
÷ 12
Estimated Monthly Equivalent
₱0.00
Estimated 13th Month Pay
₱0.00
Based on basic salary earned within the calendar year.
⚠️ Disclaimer: This calculator is for estimation and educational purposes only. Actual 13th month pay may vary depending on company records, payroll cutoffs, unpaid absences, salary changes, and applicable labor rules.
For official guidance, always check DOLE updates and your employer’s payroll records.