CodeKitHubWhat Is This Tool?
13th month pay is a mandatory year-end benefit in the Philippines, established by Presidential Decree No. 851, owed to all rank-and-file employees who have worked for at least one month during the calendar year — whether full-time, part-time, or probationary.
The computation is based only on basic salary: the total basic salary you earned during the calendar year, divided by 12. Allowances, overtime pay, holiday premiums and other monetary benefits not considered part of basic salary are excluded from the calculation.
If you didn't work the full year, your 13th month pay is prorated based on the actual basic salary you earned and the months you actually worked, following the same total-divided-by-12 formula.
Source: Presidential Decree No. 851, Department of Labor and Employment (DOLE).
Why Use It?
- Applies the exact DOLE formula: total basic salary earned during the year, divided by 12.
- Works whether you worked the full year or only part of it — just enter the months you actually worked.
- Free and instant — no signup, the calculation runs entirely in your browser.
- Useful whether you're a full-time, part-time or probationary employee, since all are entitled to this benefit.
How to Use
- Enter your monthly basic salary in Philippine pesos.
- Enter the number of months you worked this calendar year (12 if you worked the full year).
- Read your computed 13th month pay.
Example
Input
Monthly basic salary ₱20,000, 12 months worked this yearOutput
13th month pay: ₱20,000.0013th month pay = (20,000 × 12) ÷ 12 = 20,000. If you had only worked 6 of the 12 months, your 13th month pay would be (20,000 × 6) ÷ 12 = 10,000.
13th month pay at a glance
| Item | Rule |
|---|---|
| Formula | Total basic salary earned this year ÷ 12 |
| Included | Basic salary only |
| Excluded | Allowances, overtime, holiday premiums |
| Payment deadline | On or before December 24 |
Related tools
These calculators cover similar year-end labor benefits in other countries.
→ SSS Contribution Calculator · Pag-IBIG Contribution Calculator
Frequently Asked Questions
Am I entitled to 13th month pay if I'm a probationary or part-time employee?
Yes. Any rank-and-file employee who has worked for at least one month during the calendar year is entitled to 13th month pay, regardless of employment status — full-time, part-time, or probationary.
Does 13th month pay include allowances and overtime?
No. The computation is based strictly on basic salary. Allowances, overtime pay, holiday premiums, and other monetary benefits that aren't part of your basic salary are excluded from the calculation.
When must employers pay the 13th month pay?
Employers are legally required to pay 13th month pay on or before December 24 of each year, as mandated by DOLE.
What if I resigned or was terminated before the end of the year?
You're still entitled to a prorated 13th month pay based on the basic salary you actually earned during the months you worked that calendar year, computed and paid out upon your separation from the company.
Is 13th month pay taxable?
Under the TRAIN Law, 13th month pay is tax-exempt up to ₱90,000 per year, combined with other benefits (like bonuses). Only the amount exceeding ₱90,000 is subject to withholding tax. Most rank-and-file employees fall below this threshold and pay no tax on their 13th month pay.
Is my data stored anywhere?
No. The calculation runs with JavaScript directly in your browser; your salary is never sent to a server or stored anywhere.