Maximum complementary hours
9 h/week
Maximum week you can reach
29 h/week
Which limit binds
The percentage
The three caps on complementary hours and which one binds
Pacted cap (30 % of your hours)6 h/week
Voluntary cap (15 % of your hours)not deducted from the pacted cap3 h/week
The two percentages added9 h/week
Headroom to the full-time weekthe total must stay below it20 h/week
Complementary hours that fit9 h/week
Contracted hours where the limit changesabove this the legal ceiling binds27.59 h/week
  • The complementary-hours pact is specific to the contract and must be made in writing (art. 12.5.a).
  • These are not overtime hours: a part-time worker may not do overtime except in force majeure (art. 12.4.c).
  • Complementary hours actually worked are paid as ordinary hours and count towards contribution bases (art. 12.5.i).
  • Voluntary hours do not count towards the pacted cap, so the two layers add up.
If your collective agreement sets other percentages

Art. 12.5.c) requires the agreement to stay between 30 % and 60 %, and art. 12.5.g) lets it reach 30 % on voluntary hours. If you enter a figure outside those bands, the calculator applies the one the law allows and tells you so.

This tool is educational and does not constitute financial or employment advice.

With no written pact and fewer than 10 hours a week there are no complementary hours. The default reference week is the 40 hours of art. 34.1, and the employer keeps the monthly summaries of the hours record for 4 years. Your agreement's percentages and notice period are facts this page cannot know: enter them if you have them.

Part-time complementary hours by Calculadora Capital