Calculating the margin on a milkshake is crucial for the profitability of your American diner. Milkshakes seem simple, but the costs of ice cream, milk, syrup and toppings add up quickly. In this article you'll learn step-by-step how to calculate the exact margin and which factors you need to consider.
What does a milkshake really cost?
A milkshake consists of more ingredients than you might think at first glance. For an accurate margin calculation, you include everything that goes into the cup.
💡 Example: Chocolate milkshake (400ml)
- Vanilla ice cream: 150g at €6.50/kg = €0.98
- Whole milk: 200ml at €1.20/liter = €0.24
- Chocolate syrup: 30ml at €8.00/liter = €0.24
- Whipped cream: 20g at €12.00/kg = €0.24
- Chocolate shavings: 5g at €15.00/kg = €0.08
- Disposable cup + straw: €0.12
Total cost price: €1.90
Calculate your selling price excluding VAT
For margin calculation, you always work with the price excluding VAT. Milkshakes in restaurants fall under the 9% VAT rate.
💡 Example: Selling price calculation
Menu price: €6.50 (including 9% VAT)
Selling price excl. VAT: €6.50 ÷ 1.09 = €5.96
Calculate food cost percentage
You calculate the food cost of your milkshake with this formula:
Food cost % = (Ingredient costs ÷ Selling price excl. VAT) × 100
💡 Example: Food cost calculation
Ingredient costs: €1.90
Selling price excl. VAT: €5.96
Food cost: (€1.90 ÷ €5.96) × 100 = 31.9%
This is a healthy margin for milkshakes.
Gross margin in euros
Besides the percentage, you also want to know how much you keep per milkshake. This is your gross margin.
Gross margin = Selling price excl. VAT - Ingredient costs
- Gross margin: €5.96 - €1.90 = €4.06 per milkshake
- At 50 milkshakes per day: €203 gross margin
- Per month (25 working days): €5,075 gross margin
⚠️ Note:
Gross margin is not yet profit. Labor, rent, energy and other costs still need to be deducted.
Benchmarks for milkshakes in diners
Milkshakes often have better margins than hot dishes because the ingredients are cheap and preparation time is short.
- Standard food cost milkshakes: 25-35%
- Premium milkshakes: 30-40% (due to expensive toppings)
- Basic milkshakes: 20-30%
If you go above 40%, your ingredients are too expensive or your selling price is too low.
Factors that affect your margin
Various factors can improve or worsen your milkshake margin:
Positive factors:
- Larger purchase volumes: Cheaper ice cream price per kilo
- Seasonal offers: Milk and cream are sometimes cheaper
- Making your own syrup: Can be 40-60% cheaper
- Less waste: You can process leftover ice cream
Negative factors:
- Premium ingredients: Organic ice cream costs 30-50% more
- Lots of toppings: Nuts, chocolate and fruit are expensive
- Small purchase quantities: Higher price per kilo
- Waste: Ice cream that sits too long goes bad
💡 Example: Impact of premium ingredients
Standard milkshake cost price: €1.90 (31.9% food cost)
With organic ice cream (+€0.50): €2.40 (40.3% food cost)
Your margin drops from €4.06 to €3.56 per milkshake.
KitchenNmbrs for milkshake margins
With KitchenNmbrs you can record all your milkshake variants with exact cost prices. The app automatically calculates your food cost percentage and shows you which flavors generate the most revenue.
- Ingredient library with current prices
- Automatic food cost calculation per variant
- Comparison between different flavors
- Mobile app for quick checks
This way you immediately see which milkshakes are winners and which ones you should adjust or remove from the menu.
How do you calculate the margin on a milkshake? (step by step)
Gather all ingredient costs
List all ingredients that go into your milkshake: ice cream, milk, syrup, toppings, packaging. Calculate what each portion costs based on your purchase prices.
Calculate your selling price excluding VAT
Divide your menu price by 1.09 to get the price excluding 9% VAT. Use this price for the margin calculation.
Calculate food cost percentage and gross margin
Divide your ingredient costs by the selling price excl. VAT and multiply by 100 for the percentage. Subtract the ingredient costs from the selling price for your gross margin in euros.
✨ Pro tip
Check your milkshake margins on your 3 best-selling flavors. If those are good, you've optimized 80% of your milkshake revenue.
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 is a good food cost for milkshakes?
A healthy food cost for milkshakes is between 25-35%. Premium milkshakes with expensive toppings can go up to 40%, but try to stay under 35% for good profitability.
Should I include packaging costs in the cost price?
Yes, absolutely. Disposable cups, straws and lids are part of your product. These costs €0.10-0.20 per milkshake but add up with large volumes.
How often should I adjust my milkshake prices?
Check your ingredient prices every 3 months. Milk and ice cream prices fluctuate, especially due to seasons. If your food cost rises above 35%, adjust your selling price.
Why are my milkshake margins lower than expected?
Often due to hidden costs like too many toppings, premium ingredients or waste. Also check if your team uses the correct portion sizes - 20ml extra syrup costs €0.16 per milkshake.
Can I save money by making syrup myself?
Yes, homemade syrup can be 40-60% cheaper than ready-made. However, watch out for extra labor time and shelf life. Calculate whether the time investment outweighs the savings.
📚 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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