Running a restaurant without tracking both food and beverage KPIs is like flying a plane with half your instruments covered. Most owners obsess over food costs while ignoring that drinks often drive 40-60% of revenue. Combining these metrics into one report reveals your real profit drivers.
Why combined KPIs are crucial
Your restaurant doesn't survive on food alone. Beverages typically deliver the highest margins but operate with completely different cost structures. Reporting food and beverage together reveals:
- Where your real profit originates
- Which combinations generate the most revenue
- If your beverage sales offset food costs
- Seasonal patterns across both categories
The 5 most important combined KPIs
Monitor these figures weekly for a complete operational picture:
1. Total Cost of Goods Sold (COGS)
This combines your food cost + beverage cost as a percentage of total revenue.
💡 Example:
Weekly revenue: €15,000
- Food revenue: €9,000 (food cost €2,700 = 30%)
- Beverage revenue: €6,000 (beverage cost €1,200 = 20%)
Total COGS: (€2,700 + €1,200) / €15,000 = 26%
2. Average check value per category
How much does each guest spend on food versus beverages? This data drives menu engineering decisions.
Formula: Revenue per category / Number of covers
3. Beverage penetration percentage
What percentage of guests order beverages with their meals?
Formula: (Number of covers with beverages / Total covers) × 100
⚠️ Note:
Alcoholic beverages carry 21% VAT while food has 9% VAT. Always calculate KPIs excluding VAT for accuracy.
How to collect the figures
Reliable KPIs require this data from your POS system:
- Revenue per product category: Separate food and beverages
- Items sold: Individual counts for dishes and beverages
- Cover count: Total guest numbers
- Purchase costs: Split between food and beverage inventory
Reporting template for combined KPIs
Build a weekly overview using this framework:
💡 Example weekly report:
Revenue breakdown:
- Total: €15,000 (100%)
- Food: €9,000 (60%)
- Beverages: €6,000 (40%)
Cost percentages:
- Food cost: 30%
- Beverage cost: 20%
- Combined COGS: 26%
Per-guest averages:
- 300 covers
- €30 per guest on food
- €20 per guest on beverages
- 85% also order beverages
Warning signals to monitor
From tracking this across dozens of restaurants, these patterns in your combined KPIs signal trouble ahead:
- Declining beverage penetration: Staff aren't suggesting drinks effectively
- Rising COGS: Supplier prices jumped or portions grew too large
- Lower average beverage spend: Customers switching to cheaper options
- Daily variance spikes: Inconsistent staff performance or promotion impacts
Tools for automated reporting
Manual reporting eats up precious time you could spend on service. Most modern POS systems categorize this data automatically. Smaller places can use specialized tools to track cost prices and connect them with revenue streams.
💡 Dashboard layout example:
Design one overview featuring:
- Left: revenue figures per category
- Middle: cost percentages and margins
- Right: per-guest averages
- Bottom: week-over-week comparisons
How do you calculate combined KPIs? (step by step)
Collect revenue and cost data
Pull revenue per category (food/beverages) from your POS system and add up your purchase costs per category. Make sure you work with amounts excluding VAT for reliable percentages.
Calculate cost percentages per category
Divide food purchase costs by food revenue for food cost %. Divide beverage purchase costs by beverage revenue for beverage cost %. Add both together for total COGS percentage.
Analyze averages and penetration
Calculate average check value per category by dividing revenue by number of covers. Check what percentage of your guests also order beverages for your penetration percentage.
✨ Pro tip
Analyze your top 4 food-beverage combinations every 3 weeks to spot which pairings drive the highest combined margins. These combos usually represent 60-70% of your total profit.
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
Should I include VAT in my combined KPIs?
No, always calculate excluding VAT. Food carries 9% VAT while alcohol has 21% VAT. Calculating without VAT ensures you're comparing equivalent figures and getting accurate cost percentages.
What's a healthy ratio between food and beverage revenue?
This varies by concept. Restaurants typically see 60-70% food, 30-40% beverages. Cafés often flip this to 40% food, 60% beverages. More crucial is keeping beverage costs lower than food costs.
How often should I review these KPIs?
Weekly reviews capture trends, daily monitoring tracks revenue fluctuations. Monthly deep-dives should compare against previous months and year-over-year performance.
What if my beverage cost exceeds my food cost?
That's a red flag requiring immediate investigation. Beverage costs should run 15-25% versus food costs of 28-35%. Check purchase prices, portion control, and potential inventory shrinkage.
Can I integrate labor costs with these KPIs?
Absolutely - that creates your complete operational picture. Food + beverages + labor combined shouldn't exceed 65-70% of revenue for healthy profitability.
Why do my combined KPIs fluctuate so much between weekdays and weekends?
Weekend guests typically order more alcohol and higher-priced items, shifting your ratios. Track these patterns separately to avoid making decisions based on misleading averages.
📚 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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