Restaurant Food Cost Percentage: How to Calculate and Control It
Restaurant food cost percentage is one of the most important numbers a restaurant owner or manager should track. Learn how to calculate food cost percentage, understand what the number means, and discover practical ways to control food costs and improve profitability.
What Is Restaurant Food Cost Percentage?
A restaurant can have strong sales and a busy dining room, but that doesn’t automatically mean it is making a healthy profit.
One of the numbers that can help you understand your restaurant’s financial performance is food cost percentage.
Restaurant food cost percentage tells you how much of your food sales is being spent on the ingredients used to produce those sales.
In simple terms:
Food Cost Percentage = (Cost of Food Used x 100 ) ÷ Food Sales
For example, if your restaurant generates $10,000 in food sales and the cost of the food used is $3,000:
( $3,000 x 100 )÷ $10,000 = 30%
so your restaurant food cost percentage is 30%.
That means approximately $30 of every $100 in food sales is being used to cover the cost of food.
However, the remaining $70 is not automatically profit. You still need to pay labour, rent, utilities, insurance, delivery commissions, payment processing fees, repairs, cleaning supplies and other operating expenses.
How to Calculate Food Cost Percentage
The basic food cost percentage formula is:
Food Cost % = Cost of Goods Used x 100 ÷ Total Food Sales
Let’s look at a simple restaurant example.
Suppose your restaurant has:
- Food sales: $10,000
- Cost of goods used: $3,000
The calculation is:
$3,000 x 100 ÷ $10,000 = 30%
So your food cost percentage is 30%.
This means that for every $100 your restaurant generates in food sales, approximately $30 is being spent on the food used to produce those sales.
Don’t Confuse Food Purchases With Food Cost
This is an important distinction when calculating restaurant food cost percentage.
If you purchase $4,000 worth of ingredients during a week, that does not necessarily mean your food cost for that week is $4,000.
Some of those ingredients may still be sitting in your refrigerator, freezer, dry storage or shelves.
You purchased the food, but you may not have used it yet. Therefore first you need to calculate the cost of goods used.
You can use my free COGs calculaor it works on the following formula:
Opening Inventory + Purchases − Ending Inventory = Cost of Goods Used
For example:
- Opening inventory: $2,000
- Food purchases: $4,000
- Ending inventory: $3,000
Therefore:
$2,000 + $4,000 − $3,000 = $3,000
Your cost of goods used is approximately $3,000.
If your food sales were $10,000:
$3,000 x 100 ÷ $10,000 = 30%
This gives you a more meaningful restaurant food cost percentage than simply looking at your purchasing total.
What is a Good Restaurant Food Cost Percentage?
There is no single food cost percentage that is perfect for every restaurant.
Your target can depend on:
- Type of cuisine
- Restaurant concept
- Menu pricing
- Portion sizes
- Ingredient quality
- Location
- Supplier pricing
- Service style
- Menu mix
A restaurant specializing in premium steaks may have a very different food cost structure from a restaurant specializing in rice, noodles or vegetarian dishes.
Instead of asking, “What is the perfect food cost percentage?”, restaurant owners should ask:
“What food cost percentage allows my restaurant to maintain quality while generating a healthy profit?”
The important thing is to establish a realistic target and monitor your actual results consistently.
Why Is My Food Cost Percentage Too High?
If your restaurant food cost percentage starts increasing, don’t immediately assume that your suppliers are the problem.
There can be several reasons for a high food cost percentage.
1. Over Portioning
If employees consistently serve larger portions than your standardized recipes specify, your food cost can increase.
A small amount of extra food on every plate can become a significant expense over hundreds of orders.
2. Food Waste
Spoiled ingredients, preparation waste, incorrect orders, returned dishes and overproduction can all increase your food cost.
3. Poor Inventory Control
If you don’t know what you have in storage, you may over-order products or allow ingredients to expire.
4. Shrinkage
Missing inventory can also affect your food cost percentage.
This can result from errors, theft, incorrect recording or other unexplained losses.
5. Supplier Price Increases Ingredient prices change.
If your food suppliers increase their prices while your menu prices remain unchanged, your food cost percentage will increase.
6. Incorrect Recipe Costing
If your recipes are not properly costed or haven’t been updated after ingredient price changes, you may believe a menu item is more profitable than it actually is.
Recipe Costing and Food Cost Percentage Go Together
You cannot effectively control food costs without knowing what your menu items actually cost to produce.
Imagine a dish sells for $20 per portion and the ingredients required to prepare it costs $7.
Your food cost percentage for that dish is:
$7 x100 ÷ $20 = 35%
Now imagine ingredient prices increases and the same dish costs $8 to produce.
Your selling price remains $20, but your food cost percentage gets increased:
$8 ÷ $20 × 100 = 40%
Nothing changed on the menu. But your margin automatically get changed.
This is why restaurant owners and chefs should regularly review recipe costing, supplier prices, portion sizes and menu pricing.
Idealy each recipe should be calculated before deciding its selling price and documented as Standard Recipe. You can read my detailed article on Recipe Costing and use the excel template for the same.
How to Control Restaurant Food Costs
This is one of the main chellange and can significantly contribute into the overall business profibility
Reducing food costs does not necessarily mean buying the cheapest ingredients.
The goal is to reduce unnecessary costs while maintaining food quality and customer satisfaction. This can be achieved by following points:
Standardize Portions
Use standardized recipes and portioning tools so every employee serves the correct quantity.
Track Food Waste
Record what is being thrown away and identify why it is happening.
You may discover that your biggest problem is overproduction, spoilage or incorrect preparation.
Use FIFO Inventory Rotation
First In, First Out (FIFO) helps ensure older ingredients are used before newer deliveries.
Review Your Menu
Identify menu items with high ingredient costs and low profitability.
Compare Supplier Prices
Regularly review the prices of your major ingredients and discuss changes with your suppliers.
Update Recipe Costs
When ingredient prices change, update your recipe costing so your numbers remain accurate.
Monitor Portion Sizes
A standardized recipe only works when the kitchen follows it consistently.
How Often Should we Calculate Food Cost Percentage?
The frequency of monitoring depends on your restaurant’s size and operation. Some restaurants may review key food-cost indicators daily, while weekly or monthly calculations can provide a broader picture of performance.
Most of the restaurant do it on monthly basis. And every last day of the month is usualy a stock taking day. Whatever stock is balance it considered as closing stock of the month and same will be an opening stock for the next month.
The most important thing is consistency. This exercise has to be done regularly to eveluate the trend.
For example:
January — 29%
February — 30%
March — 32%
April — 35%
A gradual increase deserves investigation.
Something may have changed in purchasing, portioning, waste, inventory, recipe costing or menu pricing.
Don’t Look at Food Cost Percentage Alone
A low food cost percentage does not automatically mean a restaurant is highly profitable. You could reduce food costs by purchasing cheaper ingredients, but if customers don’t like the food and sales decline, your restaurant could still struggle.
Likewise, a restaurant with a slightly higher food cost percentage can still perform well if it has strong menu pricing, efficient labour and healthy sales.Restaurant profitability is about looking at the complete financial picture.
The food cost percentage is only one of the main factor in profitabilty. There are many more to be considered seriously. Read my detailed blog on How to calculate Profit and loss for the restaurant
Use a Restaurant Food Cost Calculator
Calculating food cost percentage manually is straightforward, but a calculator can make it easier to check your numbers regularly.
If you want to quickly calculate your restaurant food cost percentage, try my Food Cost Calculator.
It can help you understand your current food cost and give you a clearer picture of how much of your food sales is being used to cover ingredient costs.
Final Thoughts
Restaurant food cost percentage is more than just another number on a spreadsheet.
It is a useful management tool that can help restaurant owners and managers identify changes in food costs, investigate waste and make better decisions about portions, purchasing, recipes and menu pricing.
The goal isn’t simply to achieve the lowest possible food cost percentage.
The goal is to find the right balance between food quality, portion size, pricing, customer satisfaction and profitability.