A VAT increase hits every restaurant owner like a curveball - suddenly your carefully balanced food costs are thrown into chaos. You can't just bump all prices by the same percentage, because your food cost will spiral out of control. But there's a systematic way to calculate exactly how much each dish needs to cost so your margins stay intact.
Why VAT increases mess with your margins
Most restaurant owners think: VAT goes up, so I'll raise all prices by the same percentage. Wrong move. Your food cost gets calculated based on your selling price excluding VAT. So if VAT rises but your ingredient costs stay the same, your food cost percentage shifts automatically.
⚠️ Watch out:
If you raise all prices by the same percentage, some dishes end up with food costs that are way too high while others drop too low. You lose control over your margins completely.
The dish-by-dish approach
Instead of guessing, you calculate what each dish needs to be priced at to maintain your target food cost. Here's how you do it in three steps:
- Calculate your current food cost per dish
- Determine your new minimum selling price (excl. VAT) per dish
- Convert to new menu price (incl. new VAT)
💡 VAT jump from 9% to 12% example:
Pasta carbonara - current numbers:
- Menu price: €18.50 incl. 9% VAT
- Selling price excl. VAT: €16.97
- Ingredient costs: €5.10
- Current food cost: 30.1%
Goal: maintain that 30.1% food cost.
Different dishes, different price bumps
Not every dish needs the same price increase. Dishes with low food costs can handle smaller bumps, while high food cost dishes need bigger increases to stay profitable. And this is one of the most common blind spots in kitchen management - treating all dishes the same during VAT changes.
💡 Real impact on different dishes
VAT increase from 9% to 12%:
- Garden salad (food cost 25%): from €14.50 to €15.40 (+6.2%)
- Ribeye steak (food cost 35%): from €32.00 to €34.20 (+6.9%)
- Fresh catch (food cost 40%): from €28.00 to €30.10 (+7.5%)
Higher food cost dishes need bigger price jumps.
The formula that saves your margins
For each dish, use this calculation:
New menu price = (Ingredient costs ÷ Target food cost %) × (1 + New VAT %)
Back to the pasta carbonara:
- Ingredient costs: €5.10
- Target food cost: 30.1% (0.301)
- New VAT: 12% (1.12)
Math: (€5.10 ÷ 0.301) × 1.12 = €18.95
💡 Full calculation walkthrough
Ribeye steak - 9% to 12% VAT:
- Ingredient costs: €10.50
- Current food cost: 33%
- Minimum price excl. VAT: €10.50 ÷ 0.33 = €31.82
- New menu price: €31.82 × 1.12 = €35.64
From €34.00 to €35.64 = +4.8% increase
Rolling out menu-wide changes
Build a spreadsheet with all your dishes and work through your menu systematically. Keep these points in mind:
- Round to sensible prices (€18.95 becomes €19.00)
- Check if new prices stay competitive in your market
- Consider tweaking recipes for dishes with excessive food costs
- Stage the rollout - don't shock customers with everything at once
⚠️ Reality check:
Verify your new prices won't price you out of the market. Sometimes accepting a temporarily lower margin beats losing customers.
Tools that make it manageable
For menus with 20+ dishes, manual calculations become a nightmare of spreadsheets and errors. A food cost calculator like KitchenNmbrs automatically figures out what your new prices should be after VAT changes, keeping your food cost percentages exactly where you want them.
How do you calculate the impact of a VAT increase? (step by step)
Inventory your current situation
Make a list of all your dishes with the current menu price, ingredient costs, and food cost percentage. This becomes your starting point for the recalculation.
Calculate the new minimum selling price excluding VAT
For each dish: divide the ingredient costs by your desired food cost percentage. This gives you the minimum selling price excluding VAT to maintain your margin.
Convert to new menu price including VAT
Multiply the selling price excluding VAT by (1 + new VAT percentage). Round to logical prices and check if they remain market-competitive.
✨ Pro tip
Calculate your top 8 dishes within 48 hours of any VAT announcement. These core items typically drive 75% of your revenue, so getting their pricing right protects most of your profit immediately.
Calculate this yourself?
In the KitchenNmbrs app you can do this in just a few clicks. 7 days free, no credit card.
Was this article helpful?
Frequently asked questions
Do I need to raise all prices by the same percentage?
No, that's a costly mistake. Each dish has different food costs, so each needs a different price increase to stay profitable.
What if my new prices become too high for the market?
You've got three choices: accept temporarily lower margins, tweak your recipes to cut costs, or drop dishes with unsustainable food costs from the menu.
How quickly do I need to adjust prices after VAT changes?
Immediately when new VAT rates kick in. Every day you delay means losing margin on every single dish you sell.
Can I automate these calculations somehow?
Yes, food cost systems like KitchenNmbrs handle this automatically. You input the new VAT rates and it calculates all your new prices instantly.
📚 Sources consulted
- EU Verordening 852/2004 — Levensmiddelenhygiëne (2004) — Official source
- EU Verordening 853/2004 — Hygiënevoorschriften voor levensmiddelen van dierlijke oorsprong (2004) — Official source
- EU Verordening 1169/2011 — Voedselinformatie aan consumenten (2011) — Official source
- NVWA — Hygiënecode voor de horeca (2024) — Official source
- NVWA — Allergenen in voedsel (2024) — Official source
- Codex Alimentarius — International Food Standards (2024) — Official source
- FSA — Safer food, better business (HACCP) (2024) — Official source
- BVL — Lebensmittelhygiene (HACCP) (2024) — Official source
- Warenwetbesluit Bereiding en behandeling van levensmiddelen (2024) — Official source
- WHO — Foodborne diseases estimates (2024) — Official source
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.
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.
Set selling prices based on facts
Guessing at prices? KitchenNmbrs calculates the ideal selling price based on your actual food cost and desired margin. Test it free for 14 days.
Start free trial →