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13th and 14th month pay calculator

The 13th month pay (tredicesima) accrues one twelfth for each month worked. Enter the gross monthly pay and the months: it also works for employees hired or leaving during the year.

The fixed pay items set by the collective agreement: base pay, cost-of-living allowance, seniority steps, individual supplements.

January to December. Some collective agreements count a part-month of more than 15 days as a full month: check yours.

Result (gross)

Monthly accrual
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13th month pay
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Total
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Everything is calculated in your browser: no data is sent anywhere. Indicative result: the applicable collective agreement and your payroll consultant have the final word.

How the calculation works

  1. 1 Monthly accrual = monthly pay ÷ 12.
  2. 2 13th month pay = accrual × months worked in the calendar year. It is usually paid with December's salary.
  3. 3 14th month pay = accrual × months worked in the period set by the agreement, often July to June.
  4. 4 Absences such as sick leave, maternity or unpaid leave may or may not reduce the accruals, depending on the law and the agreement.

Frequently asked questions

When is the 13th month paid?

Usually with December's salary, before Christmas. The exact date is set by the collective agreement.

Who gets a 14th month?

Only employees covered by a collective agreement that provides for it, such as Retail, Tourism and Hospitality.

Is the 13th month taxed?

Yes: it is subject to contributions and income tax (IRPEF) as employment income. The net amount comes from the payslip, with the year-end tax adjustment.

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