What it is, how to calculate it, what target to aim for, and how to bring it down.
Food cost percentage is one of the most important metrics in any food business. It tells you how much of every pound you earn in sales goes towards paying for the ingredients. Understanding and controlling it is fundamental to running a profitable restaurant, café, or takeaway — yet many food business owners either ignore it or calculate it incorrectly.
This guide covers everything you need to know: the formula, benchmarks by business type, the financial impact of small improvements, and practical steps you can take today to bring your food cost percentage down.
Food cost percentage is the ratio of your ingredient costs to your total food sales revenue, expressed as a percentage. It tells you how much of every pound of food revenue is consumed by the cost of the ingredients used to produce that food.
It is calculated at two levels. At the dish level, it tells you whether a specific menu item is priced correctly. At the business level, it tells you how efficiently you are managing your overall ingredient spend relative to the revenue you are generating.
For overall business: (Total Food Cost ÷ Total Food Revenue) × 100
A pasta dish costs £3.20 in ingredients to make.
It sells for £11.50 on the menu.
Food cost percentage = (£3.20 ÷ £11.50) × 100 = 27.8%
Your restaurant spent £8,400 on food ingredients last month.
Your total food sales revenue was £28,000.
Business food cost % = (£8,400 ÷ £28,000) × 100 = 30%
There is no single correct food cost percentage — it varies by business type, location, service model, and price point. However, most profitable UK food businesses aim for a food cost percentage between 25% and 35%.
Businesses with lower overheads (food trucks, takeaways) can tolerate a higher food cost percentage because their labour and rent costs are lower. Businesses with higher overheads (fine dining, city-centre restaurants) need a lower food cost percentage to remain profitable after all other costs are covered.
| Business Type | Target Food Cost % | Notes |
|---|---|---|
| Fine dining | 22–28% | Higher labour costs offset lower food cost |
| Casual dining | 28–34% | Most common range for UK restaurants |
| Gastropub | 28–35% | Bar revenue helps overall margins |
| Café / coffee shop | 25–32% | Drinks carry very low food cost |
| Takeaway | 30–38% | Lower labour costs allow higher food cost |
| Catering | 25–35% | Varies significantly by event type |
| Food truck | 28–35% | Lower overheads support this range |
Important: Food cost percentage is not the same as profit margin. A 30% food cost means 70% gross margin — but you still need to pay for labour, rent, utilities, and other overheads from that 70%. Net profit for most restaurants is only 3–9% of revenue.
Even small changes in food cost percentage have a significant impact on profitability, because improvements go directly to gross profit. Consider a restaurant turning over £20,000 per month in food sales:
The difference between a well-controlled 28% and a poorly managed 36% food cost is £1,600 per month — or nearly £20,000 per year — on the same revenue. That difference does not require selling more covers or raising prices. It comes entirely from managing costs more effectively.
For a business already operating on thin net margins of 4–6%, that improvement can mean the difference between profit and loss.
Food cost percentage and gross margin are two ways of looking at the same relationship between ingredient cost and selling price. They are mathematical inverses of each other:
Neither metric tells you whether the business is actually profitable — that depends on what happens to the remaining gross margin after labour, rent, and other fixed costs are paid. However, food cost percentage is the most controllable of all your major cost lines and therefore the most useful metric to track and improve.
Improving your food cost percentage does not require dramatic action. Small, consistent improvements across several areas add up to a meaningful change. Here are the most effective approaches:
Even a 5% reduction in the price you pay for key ingredients can improve your overall food cost percentage by 1–2 percentage points. Review supplier contracts annually and get competing quotes. Buying in larger volumes, committing to a supplier for a longer period, or consolidating orders can all give you leverage to negotiate better prices.
Food waste is one of the most common and most overlooked contributors to a high food cost percentage. Track waste daily by category — prep waste, cooking loss, spoilage, and plate waste. Even reducing waste from 8% to 4% of food purchased can improve your food cost percentage by 1–2 points. Use smaller prep batches, rotate stock properly (FIFO — first in, first out), and design dishes that use whole ingredients including trim and offcuts.
Portion creep is common in busy kitchens. Over time, chefs may serve slightly larger portions without realising it. A 20g over-portion on a main protein across 60 covers per day can add hundreds of pounds to your monthly food cost. Standardise portions with specific weights and use scales on the pass to spot-check.
Menu prices set 12 months ago may no longer reflect your current ingredient costs. Review your food cost percentage per dish at least quarterly and reprice any dish where the food cost has increased beyond your target. Small, regular price increases are easier for customers to accept than large, infrequent ones.
In-season ingredients are significantly cheaper and higher quality. Building your menu around seasonal availability — and updating it regularly — can reduce ingredient costs without reducing the quality of what you serve.
Not all dishes are equal. Classify your menu items by their food cost percentage and their sales volume. Promote high-margin, high-popularity dishes prominently. Reconsider or remove low-margin, low-popularity dishes. High-margin dishes effectively subsidise the cost of your loss leaders and popular lower-margin items.
Calculate your overall food cost percentage at least monthly. Use the following approach for an accurate business-level calculation:
Track this number in a simple spreadsheet and compare month on month. If your food cost percentage is rising, investigate portion control, supplier price changes, waste levels, and whether your menu prices need updating.
Several common errors lead to inaccurate food cost calculations:
Enter your ingredients and selling price — the calculator shows your food cost percentage, recommended price, and profit margin in real time.
Open the calculator →Most UK restaurants target 28–34% for casual dining. Fine dining typically aims for 22–28%, while takeaways and fast food operations can run 30–38% because their labour costs are lower. There is no single universal target — the right number depends on your specific cost structure.
Not necessarily. A very low food cost percentage (below 22%) might indicate that you are using lower-quality ingredients, serving small portions, or pricing too high for your market — all of which can reduce customer satisfaction and repeat business. The goal is to find the right balance for your business model.
At the business level, calculate it monthly. At the dish level, review it whenever a key ingredient price changes significantly, and at minimum every quarter. Many operators also do a quick weekly spot-check on their highest-volume dishes.
Yes. Reducing waste, standardising portions, negotiating with suppliers, and eliminating low-margin menu items can all improve your food cost percentage without changing your menu prices.
Your target food cost percentage directly determines your recommended selling price. If your target is 30% and a dish costs £3.60 to make, the formula (£3.60 ÷ 0.30 = £12.00) gives your minimum selling price. Use our menu pricing guide for a full step-by-step walkthrough.