You're watching customers flock to your competitor's new happy hour promotion, and now you're considering slashing your prices by 30%. Most restaurant owners jump into discount pricing without understanding the financial impact. The smart move? Calculate exactly what those reduced prices will do to your bottom line before you commit.
Why happy hour often goes wrong
The problem with happy hour is straightforward: you're selling at a lower price, but your costs stay exactly the same. Skip the calculations, and you'll end up earning less per dish than it actually costs to make.
⚠️ Watch out:
A 50% happy hour discount means your food cost percentage doubles. If you normally maintain 30% food cost, it jumps to 60% during happy hour.
The basic calculation for happy hour
Every happy hour offer requires three critical numbers:
- Normal selling price (excl. VAT)
- Happy hour price (excl. VAT)
- Ingredient costs per dish
The formula for your happy hour food cost:
Happy hour food cost % = (Ingredient costs / Happy hour price excl. VAT) × 100
💡 Example:
You normally sell a burger for €16.50 (incl. 9% VAT):
- Normal price excl. VAT: €15.14
- Ingredient costs: €4.50
- Normal food cost: 29.7%
With 30% happy hour discount:
- Happy hour price: €11.55 incl. VAT = €10.60 excl. VAT
- Happy hour food cost: (€4.50 / €10.60) × 100 = 42.5%
Determining financial responsibility
A happy hour becomes financially responsible when:
- Your food cost stays below 50% (otherwise you're losing money)
- You generate additional volume (more guests than usual)
- Guests also order at regular prices (drinks, sides)
- You distribute fixed costs across more covers
💡 Break-even example:
Normally you sell 50 burgers per evening for €15.14 excl. VAT:
- Revenue: 50 × €15.14 = €757
- Food cost: 50 × €4.50 = €225
- Margin: €532
With happy hour (30% discount) you need 75 burgers for the same margin:
- Revenue: 75 × €10.60 = €795
- Food cost: 75 × €4.50 = €338
- Margin: €457
You need 50% more volume for less margin.
From years of working in professional kitchens, I've watched operators make the same mistake: assuming a modest volume increase will offset steep discounts. The reality is you need dramatically more customers than most restaurants can actually attract.
Hidden costs of happy hour
Don't forget these additional expenses that sneak up on you:
- Extra staff: Busier periods mean more kitchen and service personnel
- Increased purchasing: You'll need to order more ingredients
- Equipment depreciation: More intensive use of fryer, oven, etc.
- Energy costs: Higher gas and electricity consumption during happy hour
⚠️ Watch out:
Happy hour can condition your regular guests to only visit with discounts. Calculate if you can sustain that long-term.
Smart happy hour strategies
Make your happy hour more profitable with these tactics:
- Selective discount: Only on dishes with low food cost (pasta, pizza)
- Time limitation: For example only 5:00 PM-6:30 PM on weekdays
- Combo deals: Happy hour only with drink purchase
- New guests: First time discount, then regular prices
💡 Smart approach example:
Instead of 30% discount on everything:
- 25% discount on main course
- Only with purchase of at least 1 drink
- Only on Mon/Tue/Wed from 5:00 PM-7:00 PM
This forces additional orders and limits damage to your margin.
Measure the results
Track these numbers to determine if your happy hour works:
- Number of covers: How many extra guests do you attract?
- Average check value: Do people also order drinks/sides?
- Total margin: Do you earn more or less per evening?
- Returning guests: Do they come back at regular times?
Food cost tracking tools help you monitor these numbers automatically and watch your per-dish margins, even during promotional periods.
How do you calculate if happy hour is financially responsible?
Calculate your current food cost percentage
Divide the ingredient costs by your normal selling price (excl. VAT) and multiply by 100. This is your starting point.
Calculate your happy hour food cost
Divide the same ingredient costs by your happy hour price (excl. VAT) and multiply by 100. If this is above 50%, you're losing money.
Determine how much extra volume you need
Calculate how many more dishes you need to sell to achieve the same total margin. This is your break-even point.
Test and measure the results
Start with a limited happy hour (for example 1 day per week) and measure number of covers, average check value, and total margin. Adjust based on results.
✨ Pro tip
Run a 2-week test on your slowest weeknight, offering discounts only on dishes with food costs under 28%. This controlled experiment shows real impact before you risk your profitable evenings.
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 food cost percentage is still acceptable during happy hour?
Keep it under 45-50% maximum. Go above 50% and you're losing money on every single dish, regardless of increased volume.
Should I include VAT in my happy hour calculation?
Never include VAT in your calculations. You discount the VAT-inclusive price, but your food cost formula needs the VAT-exclusive amount to be accurate.
How do I know if my happy hour is successful?
Track three key metrics: significantly more covers than normal, higher total evening margin despite lower per-dish profits, and guests returning during regular hours without needing discounts.
Can I offer happy hour pricing on expensive dishes like steaks?
That's financial suicide. Stick to high-margin items like pasta, pizza, or appetizers where your food costs are already low. Expensive proteins will destroy your margins.
📚 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.
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