Use your gross monthly salary and normal weekly hours (the hourly rate comes from these). The “above 100 h/year” option doubles the uplifts, per the Agenda do Trabalho Digno.

Gross overtime pay
€24.00
3 h · €8.00/hour on average
ItemAmount
Normal hourly rate€6.00
1st hour (+25% → €7.50)€7.50
2 following hours (+37.5% → €8.25/h)€16.50
Gross overtime total€24.00
Social Security (11%)€2.64
Amount before IRS€21.36

Shows the gross and the amount before IRS, with the 11% employee Social Security. It does not compute the IRS withheld (which depends on your rate) or collective-agreement rules, which can change the uplifts.

Educational estimate, not advice. The hourly-rate formula (art. 271.º), the uplifts (art. 268.º: 25%/37.5%/50%, doubled above 100 h/year) and the 11% Social Security are official for 2026. Always confirm on your payslip.

Overtime Pay Calculator 2026: Portugal (Horas Extra) by Calculadora Capital

Overtime Pay Calculator 2026: Portugal (Horas Extra)