Are you really making money on those coffee subscription cards you're selling? Many breakfast venues calculate margins using just the coffee bean cost, completely overlooking milk, sugar, and service expenses. The real margin calculation requires a more detailed approach than most owners realize.
What are coffee subscriptions and why are they popular?
Coffee subscriptions are prepaid cards where customers buy, for example, 10 coffees for the price of 8. It gives customers a discount and you guaranteed revenue upfront.
Many breakfast venues offer this to:
- Increase customer loyalty
- Improve cash flow (money in upfront)
- Reward regular customers
- Reduce change and payment transactions
The hidden costs of coffee
Most entrepreneurs only calculate with coffee beans, but there's more involved. Something most kitchen managers discover too late is that milk costs often exceed bean costs, especially for milk-heavy drinks like lattes and cappuccinos.
💡 Example: Cost price per cup of coffee
For 1 cappuccino (250ml) you need:
- Coffee beans: €0.18 (8 grams at €22.50/kg)
- Milk: €0.25 (150ml at €1.65/liter)
- Sugar/sweeteners: €0.02
- Cup (reusable): €0.05 depreciation
- Energy (machine): €0.08
Total cost price: €0.58 per cup
Margin calculation for different subscription models
Model 1: "Buy 10, pay for 8"
This is the most common model. Customer pays for 8 coffees, gets 10.
💡 Example calculation:
Normal coffee price: €2.80 (incl. 9% VAT)
- Customer pays: 8 × €2.80 = €22.40
- Customer gets: 10 coffees
- Effective price per coffee: €2.24
- Cost price per coffee: €0.58
- Margin per coffee: €2.24 - €0.58 = €1.66
- Margin percentage: (€1.66 / €2.24) × 100 = 74.1%
Model 2: Fixed monthly subscription price
For example €35 per month for unlimited coffee. Here you need to estimate how many coffees a customer drinks on average.
⚠️ Watch out:
With unlimited subscriptions you risk losses if customers consume more than expected. Always monitor average usage per customer.
Calculate break-even point
To know when your subscription remains profitable, calculate the break-even point:
Break-even = Subscription price / (Normal selling price - Cost price)
💡 Example with €35/month subscription:
- Normal price excl. VAT: €2.57
- Cost price: €0.58
- Margin per coffee: €2.57 - €0.58 = €1.99
- Break-even: €35 / €1.99 = 17.6 coffees
If a customer drinks more than 18 coffees per month, you lose money.
Extra factors that affect your margin
Besides direct costs, there are more factors that determine your margin:
- Peak times: Subscription holders often come during quiet hours, that's favorable
- Cross-selling: Coffee subscribers often also order pastries or lunch
- Staff: Fewer payment transactions saves time
- Waste: More predictable consumption means less waste
Administration and VAT for subscriptions
Pay attention to VAT treatment of subscriptions:
- VAT is due at sale of the subscription (not per coffee)
- Register sold subscriptions as revenue
- Keep track of how many coffees from each subscription have been used
- Unused subscriptions remain an obligation
⚠️ Watch out:
A subscription is legally an obligation. If you close your business, customers must still be able to claim their remaining coffees or receive a refund.
How do you calculate the margin on coffee subscriptions?
Calculate your real cost price per cup
Add up all costs: coffee beans, milk, sugar, energy, equipment depreciation and cups. Don't forget the small amounts, they add up quickly at large volumes.
Determine the effective selling price per coffee
Divide the total subscription price by the number of coffees the customer gets. With 'buy 10, pay for 8' that's 8 × normal price divided by 10 coffees.
Calculate margin and break-even point
Subtract cost price from effective selling price for your margin per cup. For break-even: divide subscription price by normal margin per cup to see how many coffees become loss-making.
✨ Pro tip
Track subscription holder behavior for 30 days to identify peak usage patterns. Most venues discover their break-even point shifts by 15-20% once they account for cross-selling revenue from pastries and breakfast items.
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
Do I calculate VAT on the subscription price or per coffee?
VAT is calculated on the full subscription price at the time of sale. You don't need to pay VAT per delivered coffee, that already happened at sale of the subscription.
What if customers don't use their subscription completely?
Unused coffees are pure profit for you, but legally it remains an obligation. Many businesses use an expiration date of 1 year to limit this.
How do I prevent customers from drinking too much coffee with unlimited subscriptions?
Monitor average usage per customer and set limits such as 'maximum 2 coffees per day' or 'weekdays only'. Communicate this clearly at purchase.
Can I charge different prices for different coffee types?
Yes, you can charge a premium for example for cappuccino vs. regular coffee. Calculate cost price and margin separately per type to see what's most profitable.
📚 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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