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📝 Basic knowledge and formulas · ⏱️ 2 min read

How do I calculate the cost price per portion for catering?

📝 KitchenNmbrs · updated 15 Mar 2026

TL;DR

Calculating catering cost prices is crucial for profitable quotes. Many caterers estimate their prices, causing them to lose money on large events. In...

Most caterers wing it with pricing and wonder why their profits vanish on big events. But smart operators know that accurate portion costing separates profitable catering from expensive guesswork. Every 50-cent miscalculation costs you €100 on a 200-guest event.

Why cost price calculation is different for catering

Catering operates on razor-thin margins with zero room for error. You're locked into fixed quotes while juggling massive quantities and unpredictable logistics. Miss your numbers by just 8%, and you've wiped out your entire profit margin.

⚠️ Heads up:

Hidden costs will crush your margins: transport, tableware, staff wages, dishwashing. These 'extras' typically represent 30-50% of your total expenses.

What do you include in catering costs?

Your true cost extends far beyond ingredients. Here's what eats into your profits:

  • Ingredients: every product that touches the plate
  • Packaging: containers, foil, labels for safe transport
  • Transport: fuel costs, drive time, vehicle maintenance
  • Staff: prep hours, transport time, service wages
  • Materials: rental tableware, warming equipment, setup gear

💡 Example: Corporate lunch buffet for 50 people

Food costs per person:

  • Artisan rolls and premium toppings: €4.20
  • Fresh salads and garnishes: €1.80
  • Quality beverages: €1.50

Raw ingredients: €7.50 per person

Additional expenses: €3.50 per person (logistics, equipment, labor)

True cost per portion: €11.00

Calculating ingredient costs for large quantities

Bulk purchasing seems cheaper until waste destroys your math. From tracking this across dozens of restaurants, I've seen 15-20% waste rates kill otherwise profitable events. Calculate your real price per usable kilo:

💡 Example: Diced onions for 200 portions

Recipe calls for 10 kg diced onions:

  • Whole onions: €1.20/kg
  • Processing waste: 10%
  • Real cost per usable kilo: €1.20 ÷ 0.90 = €1.33/kg
  • Total for 10 kg diced: 11.1 kg whole onions × €1.20 = €13.33

Cost per portion: €13.33 ÷ 200 = €0.07

Formula for total cost price per portion

Stop guessing. Use this formula religiously:

Cost price per portion = (Ingredients + Packaging + Transport + Staff + Materials) ÷ Number of portions

💡 Example: Upscale dinner for 80 guests

Complete cost breakdown:

  • Premium ingredients: €960 (€12/person)
  • Professional packaging: €80 (€1/person)
  • Transport and logistics: €120 (€1.50/person)
  • Staff wages (4 hours × 2 people): €200 (€2.50/person)
  • Equipment rental: €160 (€2/person)

True cost per guest: €1,520 ÷ 80 = €19.00

Determining margin and selling price

Successful caterers maintain 40-60% food cost ratios. Here's your pricing math:

  • 50% food cost: selling price = cost × 2
  • 40% food cost: selling price = cost × 2.5
  • 60% food cost: selling price = cost × 1.67

⚠️ Heads up:

Always work excluding VAT first. Catering services carry 9% VAT. Your €38 base price becomes €41.42 to the customer.

Digitally tracking catering costs

Smart caterers don't recalculate from scratch every time. Build a system with standardized recipes and automated pricing. Tools like KitchenNmbrs streamline this process by:

  • Storing proven recipes with exact portions
  • Auto-updating costs when supplier prices change
  • Generating instant quotes for any guest count
  • Tracking actual profitability per event

How do you calculate cost price per portion? (step by step)

1

Create a complete ingredient list

Write down all ingredients with exact quantities per portion. Don't forget anything: spices, oil, butter, garnish. Also count packaging materials like containers and foil.

2

Calculate actual purchase prices

Factor in cutting waste in your price per kilo. Whole fish becomes more expensive after filleting, vegetables after peeling. Formula: actual price = purchase price / (100% - waste%).

3

Add up all extra costs

Calculate transport, staff, tableware and materials per portion. Divide total extra costs by number of portions. This gives you the complete cost price per person.

4

Determine your selling price

Multiply cost price by 2 to 2.5 for a healthy margin of 40-50%. Then add VAT (9%) for your final price to the customer.

✨ Pro tip

Track your actual food waste percentages for the next 6 events, then build that real number into your calculations. Most caterers underestimate waste by 5-8%, which destroys profitability on volume orders.

Calculate this yourself?

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

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Frequently asked questions

What percentage margin is normal for catering?

Food costs should represent 40-60% of your selling price. At 50% food cost, you're earning €1 profit for every €2 in revenue. Go higher than 60% and you're flirting with disaster.

How do I calculate transport costs per portion?

Add fuel, drive time at your hourly rate, plus vehicle wear. For a €60 transport cost serving 100 guests, that's €0.60 per portion. Don't forget loading and unloading time in your calculations.

What if I have no experience with large quantities?

Start small and build your knowledge base. Always order 10-15% extra ingredients for your first few large events. Running short is catastrophic for your reputation.

How often should I update my cost prices?

Review supplier pricing monthly minimum. Ingredient costs can spike 20-30% overnight during supply disruptions. Update immediately after any price increase to protect your margins.

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

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