Gross margin is the difference between sales and the direct cost of what was sold, mainly food and drink. It measures how much money is left to cover staff, rent, utilities and profit.
Gross margin in hospitality is a financial metric that shows how much money a restaurant keeps after subtracting the direct cost of the products sold from its sales, usually its food cost and beverage cost. It is one of the most important indicators for understanding whether the business's trading has a sound enough economic base before you look at staff, rent, marketing or net profit. Put simply, it answers a key question: of every euro that comes in from sales, how much is left once you have paid for the raw materials served to the customer? If a restaurant turns over €50,000 in a month and the cost of the food and drink consumed is €16,000, its gross margin is €34,000, equivalent to 68% of sales.
That 68% is not profit, but it is the financial room the business has to pay wages, Social Security contributions, utilities, rent, software and maintenance and, only after that, to make a profit. In hospitality, gross margin usually sits roughly between 60% and 75% depending on the business model. A restaurant that sells a lot of drinks and desserts and does plenty of suggestive selling can have a higher gross margin, because those categories tend to leave more margin than main courses.
On the other hand, a menu built around premium produce or expensive fish may have a lower gross margin, yet still be viable if the average spend and table turnover keep up. Gross margin is also useful for comparing periods, categories and channels: growing sales by selling low-margin dishes is not the same as growing them with a balanced mix of mains, drinks and extras. That is why it is so closely linked to food cost, the sales mix and menu engineering.
Gross margin = Net sales - Direct cost of sales
Gross margin can be expressed in euros or as a percentage. In euros, you subtract the direct cost of what was sold, that is, the cost of the food and drink consumed, from the period's net sales. As a percentage, the formula is: ((Net sales - Cost of sales) / Net sales) × 100. If a restaurant turns over €40,000 and consumes €12,400 of food and drink, its gross margin is €27,600.
The gross margin percentage would be (27,600 / 40,000) × 100 = 69%. This percentage lets you compare months, sites or business lines even when their turnover is different. It also helps to tell gross margin apart from contribution margin: gross margin usually looks at the business as a whole or at broad categories, while contribution margin is used a great deal at the level of the individual dish or product for menu and pricing decisions.
Imagine a restaurant that turns over €62,000 excluding VAT in June. During that month, actual food consumption comes to €15,500 and drinks to €4,300. Total cost of sales is €19,800. The gross margin is €62,000 - €19,800 = €42,200.
As a percentage, 42,200 / 62,000 × 100 = 68.06%. At first sight, that is a healthy figure. But digging deeper, the manager finds that the gross margin on food is 64%, while on drinks it is over 80%. They also see that at weekends the share of premium drinks and desserts in the sales mix rises and pushes the overall gross margin up.
With that information, they decide to step up upselling of wine by the glass and desserts during the week, rather than obsessing only over selling more covers. The following month turnover rises by barely 3%, but gross margin improves by more than a point, which has a direct impact on operating profitability.
Gross margin matters because it is the first big filter of a restaurant's economic viability. If gross margin is weak, the business will have very little room to absorb the rest of its structural costs, and any slippage in staff, rent or utilities will quickly push it into losses. It is also a very useful metric for spotting changes in the quality of your sales: selling more does not always mean earning more. If turnover rises but gross margin gets worse, you are probably selling a less profitable mix, buying badly or losing control of wastage and portions.
Keeping an eye on gross margin helps you make better decisions on pricing, purchasing, menu design and promotions. It also explains why some months look good in the till but bad in profitability. In a professionally run restaurant, gross margin is not just checked when the accounts are closed; it is an early warning signal of the commercial and operational health of the business.
Zindra calculates your restaurant's gross margin automatically by cross-referencing sales, purchases, inventory and actual consumption. It also breaks it down by category, period and channel, so you can see which part of the business is really driving profitability and where your margins are being eroded.
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Food cost is the percentage of a dish's selling price that goes on the cost of its ingredients. It is the single most important indicator of how profitable your menu is.
Prime cost (coste primo in Spanish) is food cost plus staff cost. It is the most complete measure of a restaurant's direct operating cost and should stay between 55% and 65% of turnover.
Contribution margin is the difference between a dish's selling price and its variable cost (mainly ingredients). It shows how much each dish contributes towards fixed costs and profit.
Menu engineering is a menu analysis and design technique that classifies each dish by popularity and profitability in order to optimise the sales mix and maximise overall profit.
Beverage cost is the percentage of a drink's selling price that goes on what the drink cost to buy. It is the key indicator for measuring the profitability of the drinks, wine and cocktail list.
Sales mix is the actual breakdown of what a restaurant sells, by dish, category, channel or time of day. Analysing it shows not just how much you sell, but exactly what you sell and how it affects your margin.
Every hospitality term with formulas, examples and benchmarks in a handy PDF.
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