Additional payments

13th Salary Calculator Italy

Estimate the gross 13th salary, known in Italy as tredicesima. Enter the useful monthly gross pay, months accrued and part-time percentage to see the formula and limitations.

Transparent calculation Browser-based inputs Last updated: 29/09/2026
Guided calculation

Enter your details

€
months
%

This calculation runs in your browser. We do not save the values you enter.

Transparency

How this estimate is calculated

Estimate gross 13th salary in Italy from monthly gross pay, accrued months and part-time percentage. The result uses only the values you enter and the assumptions stated below. It is an orientation figure, not an official payroll result.

Model formulauseful monthly gross pay × accrued months ÷ 12 × part-time percentage.
Detail

Data used and assumptions

Data used

  • Useful monthly gross pay
  • Months accrued
  • Part-time percentage

Factors that can change the result

  • useful remuneration
  • months accrued in the year
  • changes in working time
  • absences and CCNL rules
  • income tax and social contributions
Example

A practical example

With €2,000 gross pay, 6 accrued months and a 100% schedule, the estimate is €1,000 gross.

Common mistakes to avoid

  • using take-home pay as the base
  • assuming 12 months always accrue
  • ignoring a change in working time
  • confusing gross and net amounts
Related concepts

Italian employment terms worth knowing

Italian payroll often uses terms that do not have a perfect one-to-one English translation. These glossary entries explain the original term and its practical meaning.

Quick answers

Frequently asked questions

Is the 13th salary always equal to one month’s pay?

Not necessarily. It depends on useful remuneration, accrued months, changes during the year and the applicable CCNL.

Do absences affect the 13th salary?

It depends on the type of absence and the CCNL. This calculator uses the number of accrued months you enter.

Does part-time work reduce the 13th salary?

The useful base is generally linked to working time, but check the applicable contract and any changes during the year.

Is the result net pay?

No. It is gross. Payslip deductions can reduce the amount actually paid.

When is the 13th salary paid?

Timing is set by the contract and employer practice, often in December.

References

Sources and methodology

Sources inform the model, but they do not turn this simulation into an official calculation. Rules can change, so check the relevant period.

Important: Gross 13th salary estimate. Check the useful pay base, accrued months and CCNL rules. For tax, social-security or legal decisions, consult the official documentation and a qualified professional.