Spain Christmas Extra Pay Calculator (Net)

Spain Christmas extra pay calculator: the net amount of your December extra pay after income-tax withholding, proportional to the months worked.

net = gross extra pay × (1 − income-tax withholding %)

How to use this calculator

  1. Type your input in the box.
  2. The result updates as you type.
  3. Use “Copy result” or “Copy link” to share it.

In Spain most workers receive 14 payments. Social security on the extra pays is already prorated in your monthly payslips, so the December pay only has income tax withheld.

Figures for 2026. Estimate only, not tax or legal advice.

Frequently asked questions

€1,800 gross with 12 % withholding?

€1,584 net.

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