Automated Restaurant Break-Even: $65K Monthly Sales Target

Fixed costs $14.7K/mo Base overhead only

Contribution margin 81% After variable costs

Break-even revenue $18.1K/mo Monthly revenue target

Break-even timing Month 3 Model breakeven point

Break-even calculator

Test whether monthly revenue can cover variable costs and the fixed monthly cost base in an automated restaurant.

Lean Base Full

Monthly revenue Revenue has to cover the cost base before the restaurant earns a profit. $ Slow sales Busy sales Variable expenses These are food, fees, and supplies that rise with each sale. $ Low costs High costs

Money available to cover fixed costs $89,910 $111,000 revenue - $21,090 variable expenses

Margin ratio

81%

Covers fixed costs

Yes

Fixed monthly costs This is the monthly rent, payroll, and overhead the model must absorb. $ Lean base Heavier base

Break-even chart Revenue Total costs

Which automated restaurant expenses are fixed, and which move with sales?

Cost classification

Classification matters because Month 3 break-even depends on separating sales-linked spend from monthly overhead. If payroll or utilities are modeled as purely fixed, the forecast can overstate contribution as covers rise.

Expense	Cost	Break-Even Treatment	Common Mistake
Rent Lease Payment	Fixed	Include $10,000/month in fixed overhead before calculating required covers.	Spreading rent by cover count and hiding lease risk.
Utilities	Semi-variable	Start with $2,000/month, then flex usage when equipment run-time rises.	Treating power-heavy automation as flat overhead forever.
Business Insurance	Fixed	Carry $750/month through the monthly break-even base.	Linking insurance to sales volume without a policy trigger.
POS Reservation Systems	Fixed	Include $400/month as recurring fixed system overhead.	Treating the system fee as a per-order fee.
General Maintenance	Semi-fixed	Model $300/month baseline, then step up when machine use or service calls increase.	Keeping maintenance flat while cover counts double.
Food and Beverage Ingredients	Variable	Apply 11.0% food ingredients and 4.0% beverage ingredients against sales.	Using one blended input rate and missing beverage margin.
Credit Card Fees and Guest Supplies	Variable	Apply 2.5% card fees and 1.5% guest supplies against sales.	Entering 25% or 15% by dropping the decimal point.
Payroll	Semi-fixed	Use first-year payroll of about $37.75k/month; add staff in steps as volume grows.	Treating automation as labor-free and understaffing backup roles.

How does break-even shift from a lean opening year to full capacity?

Scenario table

Here’s the quick math: the margin stays high, but staffing grows with volume, so fixed costs rise too. Break-even still improves from lean to full capacity, and the base case is the cleanest Month 3 checkpoint.

Planning assumptions only; actual results will move with traffic, pricing, and labor mix.

Scenario	Monthly Revenue	Variable Costs	Fixed Costs	CM Ratio	Operating Profit	Break-Even Signal
Lean opening year	$133k	$25.3k	$52.4k	81%	$55.3k	Revenue stays above break-even, but the cushion is still modest.
Base growth year	$253k	$43.3k	$66.5k	82.9%	$143.5k	This is the cleanest Month 3 break-even case and the core operating target.
Full-capacity mature year	$340k	$51.0k	$77.7k	85%	$211.3k	Revenue gives the widest cushion, so break-even risk is lowest here.

What breaks the break-even plan for an automated restaurant?

Stress test

Sales, fixed overhead, and variable cost rate are the pressure points. The base plan keeps a wide cushion, but a 15% revenue miss or a move from 19% to 24% variable expense can narrow it fast, and the combined hit can flip to loss.

Stress Case	Changed Assumption	Break-Even Revenue	Revenue Gap	Risk Signal
Current plan	No change from the base plan.	$647k	$683k cushion	Strong cushion at the current run rate.
Revenue shortfall	Monthly sales fall 15% to about $1.131m.	$647k	$484k cushion	Still profitable, but the cushion shrinks fast.
Fixed-cost increase	Fixed overhead rises 10% to about $576k.	$712k	$618k cushion	Higher overhead pushes the break-even bar up.
Margin pressure	Variable expenses rise from 19% to 24% of sales.	$689k	$641k cushion	Ingredient, fee, and supply pressure cuts margin.
Combined pressure	Sales fall 50%, variable expenses hit 24%, and fixed overhead rises 10%.	$758k	$93k gap	This mix turns the month into about a $71k operating loss.

Is the site and operating stack truly ready before you sign the lease?

Founder checklist

Go only if the site, systems, staffing, and cash all clear the model’s load. Year 1 variable costs run 19%, and the fixed base is about $52.4K a month before food and supplies, so breakeven by Month 3 only works with clean uptime and enough traffic.

1Site loadLease-ready

Confirm power, ventilation, plumbing, HVAC, food flow, and machine install all work before you sign the lease, because a bad shell pushes both launch cost and breakeven timing.

2Demand test40-150/day

Stress-test whether the site can draw the Year 1 cover range, from 40 on Monday to 150 on Saturday, and only spend if ordering and kitchen automation can handle that flow without downtime.

3Supply backup81% CM

Lock backup suppliers for food ingredients and guest supplies so Year 1 variable costs stay near 19% and contribution stays about 81% of sales, which is the margin that pays fixed costs.

4Staffing backup$37.75K/mo

Verify backup staffing for the Year 1 payroll load of about $37.75K a month across 10 FTE, because one uncovered shift can drag service quality below break-even.

5Maintenance response$300/mo

Test how fast you can fix machine and kitchen issues against the planned $300 monthly maintenance budget, because slow repairs in a high-automation setup turn into lost sales.

6Cash cushion$770K

Do not commit unless you can carry the $770K minimum cash low in Month 2, and pause if permits, insurance, internet redundancy, or uptime testing are still open.