Laser Eye Surgery Center Break-Even Analysis: $157K/Month

Fixed costs $132.2K Monthly overhead base

Contribution margin 84% After variable costs

Break-even revenue $157.3K Needed monthly sales

Break-even timing Month 2 Model break-even point

Break-even calculator

Use this calculator to test monthly revenue, direct costs, and fixed clinic overhead against break-even.

Lean Base Full

Monthly revenue Revenue drives the margin left to cover fixed clinic costs. $ Low sales High sales Variable expenses Use direct costs that rise with each extra treatment, like supplies, marketing, and processing fees. $ Low costs High costs

Money available to cover fixed costs $219,901 $258,100 revenue - $38,199 variable expenses

Margin ratio

85%

Covers fixed costs

Yes

Fixed monthly costs Use the monthly overhead base the clinic must cover before profit starts. $ Light overhead Heavy overhead

Break-even chart Revenue Total costs

Which expenses are fixed and which move with sales for a laser eye surgery center?

Cost classification

Classification matters because Month 2 break-even only holds if recurring overhead stays separate from case-linked fees. Keep the $3.56 million startup equipment spend out of monthly break-even; it drives cash need, not operating margin.

Expense	Cost	Break-Even Treatment	Common Mistake
Facility Rent	Fixed	Include $15,000 in monthly overhead.	Spreading rent across procedures and hiding idle capacity.
Utilities	Semi-variable	Start with $2,500 per month, then stress-test longer open hours.	Modeling utilities as fully flat while procedure days expand.
Medical Malpractice Insurance	Fixed	Include $4,000 per month as recurring overhead.	Treating insurance as a per-case clinical fee.
IT & Software Subscriptions	Semi-fixed	Use $2,000 per month until added users, modules, or locations push a step-up.	Charging software to each procedure with no scale trigger.
Year 1 Payroll	Fixed	Use about $104,000 per month unless pay is tied to production.	Assuming staff falls when monthly case volume dips.
Technology Usage Fees & Royalties	Variable	Apply 5.0% of revenue in the first year.	Putting usage fees into fixed overhead.
Disposable Medical Supplies	Variable	Apply 3.0% of revenue in the first year.	Budgeting supplies as a flat monthly line.
Marketing & Patient Acquisition	Variable	Apply 6.0% of revenue in the first year; model any minimum ad budget separately.	Treating all demand spend as fixed when the model scales it with sales.

How does break-even shift from a lean opening month to a fuller schedule at this laser eye surgery center?

Scenario table

Lean clears fixed costs, but only by a slim cushion. As the clinic moves to the Year 3 and Year 5 cases, more procedures spread surgeon payroll and equipment overhead, so break-even risk falls fast.

Scenario figures are planning assumptions, not guarantees, and they can shift with case mix, staffing, and timing.

Scenario	Monthly Revenue	Variable Costs	Fixed Costs	CM Ratio	Operating Profit	Break-Even Signal
Lean opening case	$210k	$33.6k	$132.2k	84.0%	$44.2k	Still above break-even, but the cushion is thin.
Base Year 3 case	$563.4k	$83.4k	$191.3k	85.2%	$288.7k	Break-even risk drops as volume absorbs payroll.
Full Year 5 case	$983.6k	$130.8k	$237.2k	86.7%	$615.6k	Wide cushion; fixed overhead is well covered.

What breaks the break-even plan?

Stress test

The base plan clears break-even, but the cushion thins fast if patient flow slows, overhead rises, or pricing weakens. A combined hit on all three pushes the model into loss.

Stress Case	Changed Assumption	Break-Even Revenue	Revenue Gap	Risk Signal
Current plan	No change.	$1.57M	$525k cushion	Healthy cushion, but delays still matter.
Revenue shortfall	Revenue falls 20% to about $1.68M.	$1.57M	$105k cushion	Still above break-even, but the room for error shrinks.
Fixed-cost pressure	Fixed costs rise 10% to about $1.454M.	$1.73M	$369k cushion	Overhead creep eats into profit fast.
Margin pressure	Variable expenses rise 3 points to 19%.	$1.63M	$468k cushion	Discounting or fee pressure cuts the cushion.
Combined pressure	Revenue drops 20%, variable expenses rise to 19%, and fixed costs rise 10%.	$1.79M	$114k gap	The model flips to loss under a stacked downside.

Can this clinic prove demand and cash readiness before it signs the lease and buys the lasers?

Founder checklist

Test the model against real bookings, not just Month 2 break-even. The clinic still hits a Month 6 cash trough of -$2.439M, so the lease, build, and hiring plan have to work before launch.

1Procedure demand40/mo/surgeon

Prove the market can fill 40 monthly procedures per surgeon at 55% capacity before you lock the $15k rent.

2Fixed load$28.0K/mo

The build totals $3.56M across lasers, diagnostics, the operating room, furnishings, IT, backup power, security, and the website, and fixed overhead adds $28.0K a month before wages.

3Margin mix84% CM

Year 1 variable costs are 16% of revenue, with 6% for acquisition, 2% for processing, 5% for technology fees and royalties, and 3% for disposables, so confirm that 84% contribution really holds.

4Staff ramp2 surgeons

Map surgeon coverage before hiring to 2 surgeons in Year 1, then add 2 surgical technicians and 1 diagnostic technician only if booked volume can support the payroll.

5Cash cushion-$2.439M

Hold cash for the Month 6 trough of -$2.439M, because the Month 2 break-even line does not protect you from the opening build and operating ramp.

6Launch gate100 visits/mo

Verify 100 optometrist visits a month at 60% capacity and keep the clinic in launch mode only after diagnostics, sterilization, and EMR are live.