Latte art waste seems small, but it can hit your margins hard. Every day milk and coffee are lost to failed hearts and leaves. In this article you'll calculate exactly how much this costs and how to reduce it.
What exactly is latte art waste?
Latte art waste happens when your barista throws away a cappuccino or latte because the pattern failed. The extra milk you steam 'just to be safe' also counts. It seems like little, but with 50-100 coffees per day it adds up quickly.
The hidden costs of perfect hearts
Latte art waste has three components that cost money:
- Coffee beans: Discarded espresso shots
- Milk: Steamed milk that doesn't get used
- Time: Extra work from your barista
💡 Example:
Café with 80 coffees per day, 10% failed:
- Coffee beans: 8g × 8 shots × €0.08/g = €0.51
- Milk: 50ml × 8 shots × €0.0015/ml = €0.60
- Extra time: 30 sec × 8 × €0.25/min = €1.00
Daily loss: €2.11 = €770 per year
Calculate your own latte art waste
For an exact calculation you'll need this data:
- Number of milk-based coffees per day
- Percentage of failed latte art (estimate or count for a week)
- Purchase price of coffee beans per kg
- Purchase price of milk per liter
- Hourly wage of your barista
💡 Calculation example:
Your café:
- 120 coffees/day, 15% failed = 18 discarded
- Coffee beans: €24/kg = €0.024/gram
- 8g per shot: 18 × 8g × €0.024 = €3.46
- Milk: €1.20/liter = €0.0012/ml
- 60ml per coffee: 18 × 60ml × €0.0012 = €1.30
Per day: €4.76 = €1,737 per year
Impact on your food cost percentage
Latte art waste increases your food cost on coffee drinks. If your cappuccino costs €3.50 (excl. 9% VAT = €3.21) and you lose €0.30 per sold coffee due to waste, your food cost rises by almost 10 percentage points.
⚠️ Note:
Always include waste in your cost price. Many cafés forget this and think coffee has 60% margin, when it's actually only 45% due to waste.
How do you reduce latte art waste?
Perfection costs money, but you can limit the waste:
- Training: Better technique = fewer failed attempts
- Realistic expectations: Not every coffee needs to be a work of art
- Reuse: Use failed milk foam for the next coffee
- Portion control: Don't steam too much milk
💡 Practical tip:
Many cafés reduce their waste from 15% to 5% simply by tracking how much fails. Awareness alone helps tremendously.
Track your waste for better control
To tackle latte art waste structurally, you need to measure it. Note daily how many coffees failed and why. After a month you'll see patterns: which barista, which busy times, which periods.
With an app like KitchenNmbrs you can track waste per product and immediately see what it costs you. This makes waste visible in your daily food cost.
How do you calculate latte art waste? (step by step)
Count your failed coffees for a week
Keep track of how many cappuccinos and lattes are thrown away due to failed latte art. Also count the extra milk you discard. Divide by 7 for your daily average.
Calculate the cost per failed coffee
Work out: (8g coffee beans × price per gram) + (60ml milk × price per ml) + (30 seconds extra time × hourly wage). These are your costs per discarded coffee.
Multiply by number of working days
Cost per day × number of working days per year = total annual waste. Divide this by your total coffee revenue to see the impact on your margin.
✨ Pro tip
Check your latte art waste percentage every month. An increase from 5% to 10% quickly costs you €500+ per year in extra costs.
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
How much latte art waste is normal?
Experienced baristas throw away 5-8% of their coffees, beginners often 15-20%. Under 5% is excellent, over 15% costs you a lot of money.
Should I include latte art waste in my cost price?
Yes, absolutely. Waste is a real cost item that reduces your profit margin. Include it in your food cost calculation for coffee drinks.
Can I reuse failed milk foam?
Fresh milk foam can still be used for other coffees within 5 minutes. Longer than that and the texture deteriorates, but it's still drinkable.
How much does training cost to reduce waste?
A barista course costs €200-500, but quickly saves €1000+ per year in waste. The investment pays for itself within 6 months.
How do I measure latte art waste without hassle?
Put a tally sheet by the coffee machine. Each discarded coffee = one tally. Count at the end of the day and note it in your phone or POS system.
📚 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.
Selling food? Then you need KitchenNmbrs
Whether you run a restaurant, food truck, catering company, or meal kit business — you need to know what each dish costs. KitchenNmbrs gives you that insight. Start your free trial.
Start free trial →