Smart scheduling can slash your prime cost by 3-5%, putting an extra €1,500-2,500 monthly into your pocket on a €50k revenue restaurant. Prime cost combines your food and labor expenses - typically 55-65% of revenue. Labor costs alone eat up 25-35% of your income, making scheduling your biggest profit lever.
What is prime cost and why is scheduling so important?
Prime cost has two components: food expenses (ingredients) and labor expenses (wages plus payroll taxes). Most restaurants see this hit 55-65% of revenue. Labor expenses often consume 25-35% of your revenue - that's your biggest opportunity for improvement.
💡 Example prime cost calculation:
Restaurant with €50,000 monthly revenue:
- Food cost: €15,000 (30%)
- Labor costs: €17,500 (35%)
- Total prime cost: €32,500 (65%)
By optimizing your schedule you can reduce labor costs by 3-5%.
Analyze your occupancy patterns
Before scheduling, understand your actual busy periods. Too many restaurants schedule based on assumptions rather than data. Pull these reports from your POS:
- Revenue per hour: your money-making windows
- Covers per time slot: guest volume by hour
- Average spend: lunch versus dinner economics
- Seasonal trends: weekday versus weekend, seasonal shifts
Most restaurants discover 20% of their operating hours generate 60% of revenue. Those peak windows need full staffing. The remaining 80% of hours? You can run much leaner.
⚠️ Watch out:
Examine both revenue and guest count. Few guests with high revenue (expensive wine sales) means less kitchen staff but more servers needed.
Calculate your target labor cost percentage
Healthy prime cost requires labor expenses between 25-32% of revenue. Your concept determines the exact target:
- Fast casual/self-service: 18-25%
- Casual dining: 25-30%
- Fine dining: 30-35%
- Catering/events: 20-28%
💡 Example target:
Bistro with €40,000 monthly revenue, 28% labor cost target:
- Target labor costs: €11,200 per month
- At €15/hour average: 747 hours per month
- At 4 weeks: 187 hours per week
- At 6 days open: 31 hours per day average
Now you know how many hours you have to distribute.
Flexible staffing per time slot
Allocate your available hours strategically throughout the week. Follow these staffing guidelines:
- Peak times: 100% staffing (all stations covered)
- Normal busy: 70-80% staffing
- Quiet periods: 50-60% staffing (safety minimum)
- Prep time: 1-2 people focused on next-day preparation
Based on real restaurant P&L data, the biggest scheduling mistake is running identical schedules weekly. Monday lunch requires completely different staffing than Friday dinner service.
💡 Example flexible scheduling:
Tuesday evening (quiet) vs. Saturday evening (busy):
- Tuesday: 1 chef, 1 server, 1 dishwasher (3 people)
- Saturday: 2 chefs, 3 servers, 2 dishwashers (7 people)
Same quality, 50% fewer hours on quiet days.
Cross-training and multi-skilled staff
Develop your team's versatility across multiple roles. This flexibility allows leaner operations without sacrificing service:
- Servers who can wash dishes during slow periods
- Chef who can serve tables with skeleton crews
- Manager covering all positions during staff absences
- Part-time staff for peak-only coverage
Eight multi-skilled team members outperform twelve specialists in efficiency and cost control.
Monitor your results weekly
Track your scheduling performance each week with these metrics:
- Labor cost percentage: hitting your target range?
- Revenue per hour worked: trending upward?
- Customer satisfaction scores: service quality maintained?
- Team stress indicators: overwhelmed or underutilized?
⚠️ Watch out:
Avoid excessive cost-cutting. Understaffing ultimately costs more through poor service, errors, and staff turnover.
Seasonal and event planning
Adapt your schedules for predictable patterns and special circumstances:
- Summer: more patio staff, fewer indoor positions
- Winter: earlier closing, reduced evening staff
- Holidays: extra coverage or closure
- Local events: anticipate rush periods
Plan 2-3 weeks ahead and communicate schedule changes early to your team. Flexibility only succeeds with everyone's cooperation.
How do you optimize your schedule? (step by step)
Analyze your current numbers
Pull revenue per hour from your POS system for the past 4 weeks. Also add up your current labor costs and calculate the percentage of your revenue. This is your starting point.
Determine your target labor cost percentage
For casual dining: aim for 25-30% of revenue. Calculate how many hours this means per week at your average hourly wage. This becomes your budget to distribute.
Create a flexible base schedule
Distribute your hours: more during peak times (evenings, weekends), less during quiet times (Mondays, between lunch and dinner). Start with 70% of your normal staffing on quiet days.
Test and measure weekly
Try your new schedule for 2 weeks. Measure your labor cost percentage, revenue per hour, and customer satisfaction. Adjust where needed - understaffing ultimately costs you more.
✨ Pro tip
Track your revenue per labor hour weekly - if it increases above €40 per hour for casual dining without service complaints, you're optimizing correctly. Audit this metric every Tuesday for the previous week's performance.
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 healthy prime cost for restaurants?
Most restaurants should target 55-65% of revenue for prime cost. This breaks down to food costs (28-35%) and labor costs (25-32%). Fine dining typically runs higher, while fast casual operates lower.
How much can I save by scheduling better?
Smart scheduling typically saves 3-5% of revenue on labor costs. For a restaurant with €50,000 monthly revenue, that's €1,500-2,500 extra profit per month.
How do I prevent my team from getting overwhelmed?
Track revenue per hour worked weekly and gather team feedback regularly. If service quality drops or stress levels spike, add hours back. Understaffing costs more through mistakes and turnover than proper staffing.
Can I deliver the same quality with fewer staff?
Yes, through cross-training and strategic planning. Develop multi-skilled team members and use flexible contracts for peak periods. Focus on efficiency improvements, not just cost reduction.
What's the minimum staffing level for safety and quality?
Never go below 50-60% of peak staffing, even during the quietest periods. You need enough coverage for food safety, customer service, and emergency situations. One person alone should never run a shift.
How do I handle unexpected rushes or staff call-outs?
Build an on-call staff pool and ensure all permanent employees can work multiple positions. Always have a manager capable of covering any role. Budget a 10% buffer for unexpected situations.
Should I use the same schedule every week?
Absolutely not. Your schedule should flex based on historical data, seasonal patterns, and upcoming events. Monday lunch needs different staffing than Friday dinner - treat each day and shift uniquely.
📚 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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