Buffet Restaurant Break-Even Analysis: $106K Monthly Revenue

Fixed costs $26.5K/mo Base overhead

Contribution margin 82% After variable costs

Break-even revenue $32.3K/mo Revenue target

Break-even timing Month 3 Launch break-even

Break-even calculator

Test how monthly revenue, variable costs, and fixed overhead drive break-even for a buffet restaurant.

Lean Base Full

Monthly revenue Revenue is what funds both variable and fixed costs. $ Lower sales Higher sales Variable expenses Use food, drink, card fees, and other costs that rise with sales. $ Tighter costs Higher costs

Money available to cover fixed costs $325,970 $394,563 revenue - $68,593 variable expenses

Margin ratio

83%

Covers fixed costs

Yes

Fixed monthly costs This is the monthly overhead the buffet must cover before profit starts. $ Lower overhead Higher overhead

Break-even chart Revenue Total costs

Which buffet restaurant expenses stay fixed, and which move with sales?

Cost classification

Break-even is only useful if each expense behaves the way the model says it does. For this buffet restaurant, Month 3 break-even depends on keeping fixed overhead separate from sales-linked food, beverage, card fees, and guest supplies.

Expense	Cost	Break-Even Treatment	Common Mistake
Rent Prime Location	Fixed	Include $15,000 in monthly overhead from Month 1 through Month 60.	Spreading rent by cover and making slow days look safer than they are.
Food Inventory	Variable	Apply 9.0% of sales in the first year; it moves with buffet demand and waste.	Treating food as fixed and missing waste pressure when traffic rises.
Beverage Inventory	Variable	Apply 5.0% of sales in the first year; it follows beverage mix.	Using one blended inventory rate and hiding beverage margin.
Credit Card Processing Fees	Variable	Apply 2.5% of receipts in the first year.	Leaving card fees below the gross margin line.
Guest Supplies & Amenities	Variable	Apply 1.5% of sales in the first year; supplies rise with covers.	Budgeting supplies as a flat office-style expense.
Utilities	Semi-variable	Carry the $3,500 monthly base, then watch traffic pressure from cooking, dishwashing, and HVAC use.	Treating power, water, and gas as purely fixed.
Cleaning & Maintenance	Semi-fixed	Include $1,800 monthly, with step-ups when service volume strains the space.	Waiting until repairs show up instead of modeling volume steps.
Salaried staff	Semi-fixed	Use about $60.8k monthly in first-year salary coverage; add FTEs as volume grows.	Treating buffet labor as fully flexible.

How does break-even change across lean, base, and full buffet formats?

Scenario table

Break-even moves with covers, check size, waste control, staffing density, and seat fill. Lean is a lease test, base is the launch plan, and full volume shows the cushion at mature capacity.

Planning assumptions only. Actual break-even will move with guest mix, food waste, staffing, and occupancy.

Scenario	Monthly Revenue	Variable Costs	Fixed Costs	CM Ratio	Operating Profit	Break-Even Signal
Lean lease test	$1,065K	$192K	$873K	82%	$0K	Very tight; small traffic misses wipe out profit.
Base launch case	$2,169K	$390K	$873K	82%	$905K	Clears break-even and gives a launch cushion.
Full-capacity case	$5,949K	$892K	$1,250K	85%	$3,806K	Strong cushion once volume and mix are stable.

What breaks the buffet break-even plan if covers slip or costs jump?

Stress test

The plan has a wide cushion, but it leans on steady traffic and tight food control. A 15% revenue drop, a 10% fixed-cost bump, or a 5-point variable-cost squeeze still keeps EBITDA positive, just much thinner.

Stress Case	Changed Assumption	Break-Even Revenue	Revenue Gap	Risk Signal
Current plan	No change; monthly revenue is $2,169K with 18% variable expense and $873K fixed plus payroll.	$1,065K	$1,104K cushion	Healthy buffer, but weekday traffic still sets the pace.
Revenue shortfall	Revenue falls 15% to $1,844K.	$1,065K	$779K cushion	Slow covers cut EBITDA to about $638K.
Fixed cost up	Fixed costs rise 10% to $960K a month.	$1,172K	$997K cushion	Rent or support cost creep lifts the break-even line.
Margin pressure	Variable expenses rise to 23% of revenue.	$1,134K	$1,035K cushion	Food waste or weak beverage attachment eats contribution.
Combined pressure	Revenue falls 15%, variable expenses rise to 23%, and fixed costs rise 10%.	$1,247K	$597K cushion	EBITDA drops to about $458K, so small misses can hurt fast.

Can this buffet restaurant clear break-even before you sign the lease and order the opening build?

Founder checklist

Treat the lease, build-out, and opening team as a go-no-go gate. If the plan cannot carry $1.065M break-even revenue, reach Month 3 break-even, and keep cash above the $520K floor, delay the commitment.

1Break-even rent$1.065M

Verify the lease can be covered at the model’s break-even revenue before you sign, because rent is the first fixed cost that can sink a buffet.

2Fixed overhead$26.5K/mo

Add rent, utilities, insurance, marketing, systems, professional services, cleaning, and security, then make sure monthly trading covers that base before opening.

3Contribution margin82.0% CM

Here’s the quick math: food 9.0% + beverage 5.0% + card fees 2.5% + guest supplies 1.5% equals 18.0% variable cost, so 82.0% stays to pay labor and overhead.

4Cash floor$520K

Hold at least the minimum cash point through Month 3, because the model says that is when break-even arrives and a slow ramp can burn cash fast.

5Capex plan$610K

Check the full opening spend on kitchen gear, dining fixtures, bar setup, systems hardware, linens, HVAC, lighting, website, and branding before any deposit goes out.

6Payroll load$608K

Make sure the opening team can serve the Tuesday-to-Sunday cover forecast, with Monday at zero, midweek tickets at $150, and weekend tickets at $250, because this payroll only works if the covers show up.