Décimo Tercer Mes Calculator Panama 2026
Calculate the décimo tercer mes in Panama: one twelfth of your salary, paid in three parts on 15 April, 15 August and 15 December, with the CSS deduction.
Each part pays one twelfth of the salary earned in its four-month period: 16 December to 15 April, 16 April to 15 August and 16 August to 15 December. ISR on the décimo is withheld with the salary.
What it does
Panama's décimo tercer mes (Decreto de Gabinete 221 of 1971) gives every worker one twelfth of the salary earned in the year, paid in three equal parts: on 15 April, 15 August and 15 December. A reduced CSS contribution of 7.25% for the worker and 10.75% for the employer applies to it.
How to use it
- Type your monthly salary.
- Type the months worked in the year.
- Read the décimo, each part and the CSS deduction.
The arithmetic runs in your browser. Nothing you type is sent anywhere and nothing is stored, so you can use these with real numbers.
Frequently asked questions
How much décimo on B/.1,500 a month?
B/.1,500 a year in three parts of B/.500; after the 7.25% CSS you receive B/.1,391.25.
When is it paid?
On 15 April, 15 August and 15 December.
And if I worked only 7 months?
B/.1,500 × 7 ÷ 12 = B/.875.
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