📝 KitchenNmbrs context · ⏱️ 3 min read

What's the benefit of adjusting prices based on actual food costs instead of outdated assumptions?

📝 KitchenNmbrs · updated 12 Mar 2026

Adjusting prices based on actual food costs instead of outdated assumptions can significantly improve your profit. Many restaurant owners set their prices once and forget about them. Meanwhile, supplier prices constantly fluctuate, seasons change, and costs for energy and labor shift. By regularly adjusting your menu prices to actual food costs, you prevent losing money unintentionally on popular dishes.

Why outdated assumptions cost you money

Most restaurant owners set their prices once and forget about them. In the meantime, supplier prices rise, seasons change, and costs for energy and labor fluctuate.

⚠️ Note:

A price that gave you a food cost of 28% last year can suddenly cost 35% due to rising supplier prices.

The difference between 28% and 35% food cost means at a turnover of €400,000 per year a loss of €28,000. That's pure profit leaking away without you noticing.

The impact of actual food costs on your profit

When you can adjust prices based on actual food costs, you get multiple benefits:

  • Prevent hidden losses: You immediately see which dishes aren't profitable enough
  • Optimize your popular dishes: Make sure your best-sellers are also your profit makers
  • React quickly to market developments: Rising energy prices or ingredient costs you address immediately
  • Maintain your desired margins: Your food cost stays within the desired range of 28-35%

💡 Example:

A bistro with 3 popular main courses discovers through actual food cost calculation:

  • Steak: food cost increased from 30% to 38% (too high)
  • Salmon: still 29% (fine)
  • Pasta: decreased from 25% to 22% (room for better ingredients)

Action: Make steak €3 more expensive, upgrade pasta with truffle oil.

Concrete financial benefits

By regularly updating your food costs and adjusting prices, you see direct results in your profitability:

Example calculation for an average restaurant

💡 Calculation example:

Restaurant with €300,000 annual turnover, 5 main courses representing 70% of turnover:

  • Before update: average food cost 34%
  • After price adjustment: average food cost 30%
  • Difference: 4 percentage points on €210,000 = €8,400

Extra profit per year: €8,400

This €8,400 extra profit comes directly from better pricing, without extra costs or effort. It's money you're losing now because you're working with outdated assumptions.

How often should you review prices?

The frequency depends on your type of cuisine and the volatility of your ingredients:

  • Fish and seasonal products: Check monthly
  • Meat and standard ingredients: Every quarter
  • Stable products (pasta, rice): Twice a year
  • When switching suppliers: Recalculate immediately

⚠️ Note:

Adjusting prices too often annoys guests. Try to update your menu card maximum 2-3 times per year, but check your food costs monthly.

The role of digital tools

Manual food cost calculation in Excel is time-consuming and error-prone. With a system like KitchenNmbrs you immediately see the impact of changed supplier prices on your food cost per dish.

You can run scenarios: what happens to your margin if beef prices rise 15%? What menu price do you need then to maintain your desired food cost?

💡 Practical example:

A pizzeria discovers that due to rising cheese prices their Margherita now has 32% food cost instead of 26%:

  • Old price: €12.50 (food cost 26%)
  • New food cost: €4.00 per pizza
  • Required price for 28% food cost: €14.29 excl. VAT = €15.60 incl. VAT

Decision: Raise price to €15.50

What does it ultimately deliver?

Restaurants that regularly update their food costs and adjust prices see on average:

  • 3-7% higher profit margin by eliminating hidden losses
  • Better control over seasonal fluctuations in ingredient prices
  • More peace of mind because you know your prices are correct
  • Better decisions about menu composition and purchasing

It might take you 2 hours per month to update food costs, but it can save you thousands of euros per year. Especially for smaller restaurants, where every euro counts, this makes the difference between loss and profit.

How do you adjust prices based on actual food costs?

1

Inventory your current food costs

Calculate for your 5-10 best-selling dishes the exact food cost of all ingredients based on your current supplier prices. Add everything up: main ingredients, garnish, sauces, oil and butter.

2

Calculate your current food cost percentage

Divide the food cost by your selling price excluding VAT and multiply by 100. Check which dishes exceed 35% food cost - those are costing you money.

3

Determine your desired food cost per dish

Choose a target food cost between 28-35% depending on your concept. Fine dining can be higher, fast casual must be lower. Calculate the required selling price: food cost ÷ (desired food cost ÷ 100).

4

Plan your price adjustments strategically

Don't raise all prices at once. Spread adjustments over 2-3 menu updates per year. Start with dishes where you're losing the most and communicate changes transparently to your team.

✨ Pro tip

Check your 3 best-selling dishes for food cost every month. If those are good, you have 80% of your profit problem under control.

Calculate this yourself?

In the KitchenNmbrs app you can do this in just a few clicks. 7 days free, no credit card.

Try KitchenNmbrs free →

Was this article helpful?

Share this article

WhatsApp LinkedIn

Frequently asked questions

How often should I update my food costs?

Check monthly your food costs for ingredients that fluctuate often (fish, seasonal vegetables). For stable products like meat and standard ingredients, every quarter is sufficient.

What if guests complain about price increases?

Explain that you want to maintain quality despite rising supplier prices. Don't raise everything at once, but spread adjustments throughout the year. Focus on the value you offer.

Can't I just use a fixed margin?

A fixed margin only works if your food costs are stable. In hospitality, ingredient prices fluctuate constantly, so you need to adjust regularly to maintain your actual margin.

How do I prevent errors in my food cost calculation?

Use a digital system like KitchenNmbrs to automatically update food costs. Manual calculations in Excel are error-prone, especially for recipes with many ingredients.

What food cost percentage should I maintain?

For most restaurants, a healthy food cost is between 28-35%. Fine dining can be slightly higher (up to 38%), fast casual must stay lower (25-30%). It depends on your concept and competition.

ℹ️ This article was prepared based on official sources and professional expertise. While we strive for current and accurate information, the content may differ from the most recent regulations. Always consult the official authorities for binding standards.

📚 Sources consulted

Food Standards Agency (FSA) https://www.food.gov.uk

The HACCP standards shown in this application are for informational purposes only. KitchenNmbrs does not guarantee that displayed values are current or complete. Always consult the FSA or your local authority for the latest regulations.

JS

Written by

Jeffrey Smit

Founder & CEO of KitchenNmbrs

Jeffrey Smit built KitchenNmbrs from 8 years of hands-on experience as kitchen manager at 1NUL8 Group in Rotterdam. His mission: give every restaurant owner control over food cost.

🏆 8 years kitchen manager at 1NUL8 Group Rotterdam
Expertise: food cost management HACCP kitchen management restaurant operations food safety compliance

Discover what KitchenNmbrs can do for you

From recipe calculation to allergen registration, from inventory management to menu engineering. One platform for complete control of your kitchen. Try it free for 14 days.

Start free trial →
Disclaimer & terms of use

Table of Contents

💬 in 𝕏
Stel je vraag!