In this article
Somewhere between November and January, a large share of Europe's hospitality workforce receives an extra month's pay: the 13th month, the tredicesima, the paga extra, the eindejaarspremie. For whoever receives it, it's a bonus. For whoever pays it, in most markets that require it, it's a second December's worth of payroll cost — on top of the first, inside the same thirty days.
Almost every hospitality business in Europe carries some version of this pattern, even though nobody has ever put a number on it out loud: once a year, an extra payment is owed, worth roughly one month's salary per entitled employee. Every market on this site has its own name for it — eindejaarspremie in Belgian hospitality, tredicesima in Italy, pagas extra in Spain, subsídio de Natal in Portugal, Weihnachtsgeld in Germany, prime de fin d'année in France — and in almost every market that has the obligation, the payment lands in the same month as the normal December payroll run.
This blog has already explained how this site's own cash-flow planner treats holiday-pay spikes: its model note flags explicitly that such an amount "leaves the bank in one month" while the accounting cost of it is spread across the whole year. That one sentence describes exactly the mechanic this article is about — but nowhere was there an actual number attached to it, a name for the phenomenon, or a tool to run it against your own team. This article fills that gap.
This is not a legal guide, and it does not state any single country's current amount, percentage or exact formula as settled fact — those change every year and differ sharply by country and even by sector agreement. It's arithmetic, the same way this site's drinks-margin and benchmark tools treat cost: seven numbers, two graphics, and a live reserve calculator that turns your own headcount, your own average wage and your own reserve-to-date into what you should be setting aside every month.
The seven numbers below are about the SHAPE of the problem, not one country's exact law: what an extra month actually costs once employer contributions are added, what that does to the December payroll run, why a reserve spread across the year is the only thing that prevents a December scramble, why a mid-year hire is almost always calculated wrong, and how wildly the underlying obligation itself varies from one border to the next.
Why a Staff Bonus Is a Cash-Flow Problem for the Business
A 13th-month bonus costs, in euros per employee per year, the same as any other payroll cost — roughly one extra month on top of twelve, a little over 8% on the annual wage bill of everyone entitled to it. That, on its own, isn't an extraordinary figure; most owners have a rough sense of their annual payroll cost. The problem isn't the AMOUNT — it's the TIMING: where an ordinary payroll cost spreads across twelve months, this one lands once a year, usually in the exact month the business is already running extra staff for the holiday rush, or facing a quieter January right behind it.
Nothing on an ordinary monthly P&L warns you about it. January through November's payroll looks normal; there's no line item reading "13th month, still owed" until the payment itself hits the account. A business that looks financially healthy every single month of the year can still come up short in December — not because it can't afford the amount, but because nobody set it aside across the year before it fell due.
That makes this fundamentally different from the other payroll costs this blog has already priced. The VAT, rent and prime-cost pieces on this site are about RATES — percentages you pay month after month and can price into a menu. This article is about TIMING: the same amount, concentrated into one moment, with a reserve question only arithmetic can answer — and that arithmetic is exactly what the tool further down does.
The 7 Numbers Behind the 13th Month
Run these against your own team, not the worked example below — the calculator two sections down does exactly that. But the shape of the problem is the same everywhere an extra month's pay falls due all at once.
1. 1/12 — What 'One Extra Month' Actually Means in Euros
The baseline definition almost every market with this obligation shares: a 13th-month bonus is one full month's salary per entitled employee, on top of the usual twelve. In the worked example below — a team of 6 people on an average gross monthly wage of €2,400 — that's a gross amount of €14,400: 1/12th extra, a little over 8% on top of that person's annual wage.
Some markets pay exactly that and nothing more. Others structurally pay more — more on that at number six. But the baseline, one extra month, is the starting point almost every national scheme or collective agreement builds on.
2. ~27% — The Employer Overhead Sitting on Top of the Number Your Staff See
The figure an employee sees on their payslip isn't what the business actually pays. Employer contributions sit on top, and that overhead varies sharply by country and by employment status. This article uses a rounded, illustrative European rule of thumb of 27% on top of the gross figure — deliberately not a precise percentage for any one country, but a way to estimate the real cost rather than just the gross number the employee sees.
With that rule of thumb, the €14,400 gross figure in the worked example becomes a real cost of €18,288 to the business. Put your own, current employer overhead into the calculator below — get that from your payroll provider or accountant, not from this article.
3. 2× — What the December Payroll Run Actually Becomes
This is where the number turns concrete. For every employee receiving the bonus, December's payroll run has two parts: the normal month's wage, plus the bonus — and by construction, that bonus costs exactly the same as one normal month for that same team. The result isn't an estimate, it's a mathematical identity: December's payroll becomes 2× a normal month, from €18,288 to €36,576.
This is the figure most owners never actually work out ahead of time. They know what a normal month costs, and they roughly know the bonus amount — but they rarely put the two next to each other to see that December, purely in payroll cost, doubles.
One normal payroll month next to December: once the 13th-month bonus lands, the run becomes exactly 2× as large.
In the worked example: €18,288 for a normal month, €36,576 in December — 2× as much, in the same thirty days.
4. ÷12 — The Reserve That Separates Arithmetic From Panic
If December costs €36,576 instead of €18,288, the question isn't whether that amount exists — it's WHEN it got set aside. Divide the bonus's annual cost, €18,288 in the worked example, by twelve and you get €1,524 — the amount that should have been set aside every single month of the year, so December is arithmetic rather than a scramble for a credit line.
This is exactly the mechanism the cash-flow planner on this site already models structurally for spikes like holiday pay: not whether the amount is affordable across a whole year, but whether it's available at the RIGHT moment. A reserve built from January onward needs nothing found in December — it's already there.
Twelve equal monthly deposits build up to €1,524 a month, instead of one amount in December.
Total needed by December: €18,288
Setting aside €1,524 from month one means the full amount is ready by December — with nothing extra to find in that one month.
5. 6/12, Not 12/12 — the Pro-Rata Trap on a Mid-Year Hire
Nearly every scheme that has a 13th-month obligation accrues it in proportion to time actually worked within the reference year — not the full amount for everyone, and not zero for anyone hired later. An employee starting on July 1st has, by year-end, worked six of the twelve months, and in most schemes is owed roughly 50% of the full amount — €1,200 gross in the worked example, not the full €2,400 and not zero.
This is exactly where hand calculations go wrong, in both directions: overpaying someone who just started, or — more often — forgetting a pro-rata amount is owed at all to someone who left partway through the year. The exact reference period, the precise fraction and any minimum-tenure requirement to qualify at all differ by country and agreement — always check your own current scheme rather than copying the 6/12 ratio above.
6. 0 to 14 — How Wildly the Obligation Varies From Border to Border
This is the number that surprises people most the first time they look it up: there is no EU-wide rule for a 13th-month bonus. Where the obligation exists, it sits in national law or a sector collective agreement — never harmonised at European level. In a number of the 24 markets this site covers there's no statutory obligation at all, only a discretionary bonus some businesses pay to retain staff; in most markets that DO have the obligation it's exactly one extra month; and in a small number of markets, the total number of mandatory extra payments a year adds up to the equivalent of fourteen months' pay, spread across more than one moment in the year rather than a single one.
So always check your own country and your own sector agreement for the current, applicable amount — never a figure from this or any other article. The FAQ below offers, as a starting point for further research, a few examples of how differently these schemes actually work in practice.
7. 1 Team, 12 Payments, 0 Surprises — Turning the Bonus Into a Budget Line
Every number above is useful on its own, but the question that actually matters is a comparison: how much is already set aside today, and how much needs to be added in the months remaining this year, so December doesn't arrive as a surprise? That comparison is exactly what the calculator below answers — not an estimate of what the amount 'should roughly be', but the exact shortfall or surplus based on what's already been reserved.
Your Own 13th-Month Reserve
Enter your own headcount, average gross wage, employer overhead, what's already set aside and how many months remain until payout. Every tile below recalculates as you type.
There is deliberately no legal threshold or country-specific calculation built into this tool: because the obligation itself varies so sharply by market, the honest version of this calculator is pure arithmetic on the numbers you enter — not a substitute for your own country's or sector agreement's current rule.
Calculate Your Own Reserve
Enter your own headcount, average wage, employer overhead and reserve saved so far — every figure below recalculates instantly.
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This is arithmetic on the numbers you enter — not legal advice, and not a calculation for any specific country. Check your own current law and sector agreement for the exact amount owed.
Two figures are worth sitting with. The monthly reserve figure tells you what a healthy rhythm looks like from the start of the year; the required top-up per remaining month tells you how far you actually are from that today, given what's already saved.
If you haven't set anything aside yet, set that field to zero and watch how the required monthly top-up changes: the later in the year you start, the larger the monthly amount needed to close the gap before the bonus falls due.
What You Can Actually Do About It
Three steps, in the order most businesses should actually take them:
Before you start reserving
- Look up the current, applicable scheme for your own country and sector agreement — the amount, the reference period, the pro-rata formula and the payment deadline. Your payroll provider or accountant will have this faster and more reliably than any article.
- Work out your own employer overhead rather than using this article's illustrative 27% — that rule of thumb is a starting point, not a substitute for your own payroll cost calculation.
- Record each employee's start date precisely: the pro-rata fraction depends entirely on it, and an error in that date carries all the way through to the payout.
To actually build the reserve
- Move the monthly amount the calculator above shows into a separate reserve or savings pot, away from the current account — an amount that 'will probably still be there' in December is precisely the amount that often isn't.
- Re-run the calculation every time headcount or average wage changes — a new hire or a pay rise shifts the annual total, and with it the monthly amount.
- After this tool, read the article on managing cash flow in your restaurant for the wider annual rhythm this one spike fits into — holiday pay, suppliers, VAT and this bonus all belong in the same model, not in separate, disconnected calculations.
One Amount, Twelve Chances to Keep It Small
Where it's mandatory, the 13th-month bonus itself isn't a choice — it sits in law or in a collective agreement, and the business pays it or doesn't, regardless of what this article says. What IS a choice is WHEN the money for it gets found: twelve small, predictable amounts, or one large amount in the busiest and often most expensive month of the year.
Businesses that get through December without a cash-flow problem are rarely the ones with the lowest payroll cost. They're the ones that ran this arithmetic once, know exactly what their own bonus costs including employer overhead, and had an answer for it twelve months in advance — instead of improvising the answer in December.
Run your own numbers through the calculator above, then see how this spike fits into the wider annual rhythm of your business via the article on managing cash flow — or, for the other side of the same staffing cost, how much a temp cook or waiter actually costs you when your own team falls short during the holiday rush.