Most restaurant owners discover their financial mistakes only after losing money for months. Without a solid operating budget, you're essentially gambling with your investment. A proper budget reveals if your concept can actually turn a profit before you sign that lease.
What is an operating budget?
An operating budget maps out all your expected income and expenses for the upcoming year. It tells you if you'll turn a profit or watch your savings disappear.
The key difference from regular budgets: operating budgets focus on day-to-day costs and revenue, not equipment purchases or loan payments.
💡 Example:
Restaurant with 50 seats, open 6 days:
- Expected revenue: €450,000
- Food cost (30%): €135,000
- Labor costs (35%): €157,500
- Other costs: €120,000
Expected profit: €37,500
Calculate revenue
Revenue forecasting separates successful owners from those who close within two years. Most newcomers get this wildly wrong.
Use this formula:
- Number of seats × occupancy rate × average check × operating days
- First-year occupancy: realistically 40-60% (forget about 80%)
- Average check: visit competitors and check their prices
💡 Example calculation:
Bistro with 40 seats:
- Occupancy rate: 50% = 20 guests daily
- Average check: €35
- Open 6 days weekly = 312 days annually
Revenue: 20 × €35 × 312 = €218,400/year
⚠️ Note:
Factor in seasonal swings. December typically jumps 30% above average, while August drops 20% below.
Map out fixed costs
Fixed costs hit your account every month regardless of how many customers walk through your door. These are usually your most predictable numbers.
Essential fixed expenses:
- Rent (plus service charges)
- Insurance (liability, property, business interruption)
- Utilities base rates, internet, security systems
- Bookkeeping, legal fees
- Equipment depreciation (kitchen gear, furniture)
- Software licenses, music licensing
💡 Fixed costs example:
- Rent: €3,500/month
- Insurance: €400/month
- Energy base: €600/month
- Communications: €150/month
- Professional services: €200/month
- Depreciation: €800/month
Total fixed: €5,650/month = €67,800/year
Calculate variable costs
Variable costs climb with your sales volume. More customers mean higher ingredient bills and labor hours.
Food costs (ingredients):
- Casual restaurants: 28-35% of revenue
- Cafés: 25-30% of revenue
- Fine dining: 30-38% of revenue
Labor expenses:
- Add employer contributions: gross salary × 1.3
- Target range: 30-40% of revenue
- Part-time staff: calculate using average weekly hours
Labor cost miscalculations are the kind of thing you only learn after closing your first month at a loss. The 30% markup for employer contributions catches most new owners off guard.
💡 Labor costs example:
At €218,400 revenue, targeting 35% labor:
- Head chef: €2,800 gross + 30% = €3,640/month
- Service team (2 part-time): €3,200 + 30% = €4,160/month
- Owner salary: €2,000 + 30% = €2,600/month
Total: €10,400/month = €124,800/year (57% of revenue)
⚠️ Note:
Labor runs higher than most expect due to sick coverage, vacation pay, and payroll taxes. Always multiply gross wages by 1.3 minimum.
Determine break-even point
Your break-even point marks where income matches expenses. Fall short and you're bleeding money; exceed it and you're finally profitable.
The formula:
Break-even revenue = Fixed costs ÷ (1 - Variable costs %)
💡 Break-even calculation:
- Fixed costs: €67,800 annually
- Variable costs: 65% (30% food + 35% labor)
Break-even: €67,800 ÷ (1 - 0.65) = €193,714
You must hit at least €193,714 in annual revenue to break even.
Cash flow and seasons
Operating budgets show annual totals, but your monthly cash flow tells the real story. Smart owners prepare for the inevitable slow periods.
- December: typically 130% of monthly average
- January/February: often just 70% of average
- Summer performance: varies dramatically by location and concept
Build adequate cash reserves for your startup phase. Most restaurants need 6-12 months to hit their projected revenue levels.
How do you make an operating budget? (step by step)
Calculate your expected revenue
Multiply seats × occupancy rate × average check × days open per year. Be realistic: first year often 40-60% occupancy, not 80%.
Make a list of all fixed costs
Add up: rent, insurance, energy (base consumption), phone, accountant, depreciation. You pay this every month, regardless of revenue.
Calculate variable costs as a percentage
Food cost 28-35% of revenue, labor costs 30-40% of revenue. Always add 30% employer contributions to labor.
Determine your break-even point
Divide fixed costs by (100% - variable costs %). This is your minimum revenue to break even.
Plan cash flow per month
Distribute annual revenue over 12 months, accounting for seasons. Make sure you have a buffer in the first 6 months.
✨ Pro tip
Build your budget backwards from survival mode first. Calculate exactly what revenue you need to cover all expenses plus 8% profit margin within the first 18 months of operation.
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
How conservative should I be with revenue estimates?
Very conservative for year one. Most new restaurants operate at 60-70% capacity during their first 12 months. Factor in a 3-6 month ramp-up period where you'll likely run below 50% of projected sales.
What costs do owners typically forget?
Employer payroll taxes (add 30% to gross wages), sick leave coverage, and seasonal utility spikes. Marketing costs for your opening month often run 2-3x normal levels too.
How often should I revise my operating budget?
Every quarter for the first two years, then twice yearly once you're established. Compare actual numbers against projections and adjust future forecasts based on real performance data.
What if my break-even point seems too high?
You need lower fixed costs (cheaper rent) or better margins (smarter purchasing, higher menu prices). Any break-even above 80% of realistic revenue puts you in the danger zone.
Should VAT be included in budget calculations?
Never include VAT in revenue calculations. That money flows straight to tax authorities - it's not your income. Always work with VAT-exclusive numbers for accurate profit projections.
How much cash reserve should I maintain for seasonal fluctuations?
Keep 3-4 months of fixed costs in reserve minimum. Restaurants in tourist areas need 6 months due to extreme seasonal swings that can drop revenue 60% in off-peak periods.
📚 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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