Medical Device Manufacturing Break-Even Revenue: $146K Monthly

Fixed costs $118.6K/mo Monthly fixed base

Contribution margin 90.6% After variable costs

Break-even revenue $130.9K/mo Revenue to cover fixed

Break-even timing Month 1 Model break-even point

Break-even calculator

Use this to test monthly revenue, variable expenses, and fixed costs against break-even for a medical device maker.

Lean Base Full

Monthly revenue Revenue sets the margin available to cover fixed costs. $ Low sales High sales Variable expenses These are direct costs that rise with each device sold. $ Low cost High cost

Money available to cover fixed costs $1,246,928 $1,499,875 revenue - $252,946 variable expenses

Margin ratio

83%

Covers fixed costs

Yes

Fixed monthly costs This is the monthly cost base that contribution margin must cover. $ Low base High base

Break-even chart Revenue Total costs

Which medical device manufacturing expenses are fixed, variable, semi-variable, or semi-fixed?

Cost classification

Break-even gets cleaner when monthly commitments are separated from unit-driven spend. If you bury production labor, validation work, freight, and rework in one overhead bucket, Month 1 break-even can look safer than it is.

Expense	Cost	Break-Even Treatment	Common Mistake
R&D Lab Rent	Fixed	Model $15,000/month as a base revenue floor before unit margin helps.	Spreading rent across units and hiding low-volume pressure.
Regulatory Consulting Fees	Fixed	Carry $10,000/month through Month 60 regardless of units produced.	Treating regulatory work as optional until sales start.
Quality System Software License	Fixed	Include $2,500/month in fixed operating overhead for break-even.	Burying quality system spend inside generic administration.
Raw Materials	Variable	Charge per unit made, such as $25 per surgical stapler or $1,200 per portable ultrasound.	Using blended plant overhead instead of product-level unit economics.
Sterilization & Packaging	Variable	Move with production volume, including $8 per surgical stapler and $100 per orthopedic implant.	Missing sterile packaging volume when output ramps.
Sales Commissions	Variable	Apply as a revenue-linked rate, starting at 5.0% in the first year.	Forecasting revenue without the commission drag.
Utilities Factory Office	Semi-variable	Start with the $4,000/month base, then test usage increases as production hours rise.	Treating factory utilities as flat while cleanroom and equipment use grows.
Manufacturing Engineer and Quality Control Staffing	Semi-fixed	Add headcount in steps as volume grows, not one unit at a time.	Burying supplier qualification, cleanroom validation, and rework inside overhead.

How does break-even change from lean launch to full production scale-up?

Scenario table

Higher volume lifts the contribution margin from 83.4% to 85.1%, so break-even stays comfortably below revenue even as fixed payroll and compliance costs rise. The lean mix has the tightest cushion; the full mix has the most room.

Planning assumptions only; yield, regulatory timing, and staffing can move break-even.

Scenario	Monthly Revenue	Variable Costs	Fixed Costs	CM Ratio	Operating Profit	Break-Even Signal
Lean launch mix	$479.2k	$79.6k	$118.6k	83.4%	$281.0k	Above break-even, but the cushion is thinnest.
Base scale mix	$874.2k	$138.2k	$122.8k	84.2%	$613.2k	Well above break-even; more volume spreads fixed plant and QA costs.
Full production mix	$1.50M	$224.2k	$138.4k	85.1%	$1.14M	Strongest cushion; the larger run rate covers compliance and overhead best.

What breaks the break-even plan if launch volume slips?

Stress test

Base revenue still clears break-even by a wide margin. The real risk is a combo of lower sales, higher fixed overhead, and a 5-point margin hit from scrap, rework, supplier costs, or overtime.

Stress Case	Changed Assumption	Break-Even Revenue	Revenue Gap	Risk Signal
Current plan	No change; monthly revenue is $4,792K and fixed costs are $1,186K.	$1,456K	$3,336K cushion	Large cushion, so the plan clears break-even fast.
Revenue shortfall	Monthly revenue falls 20% to $3,834K.	$1,456K	$2,378K cushion	Still above break-even, but sales delay cuts into room.
Fixed-cost pressure	Fixed costs rise 15% to about $1,365K.	$1,674K	$3,118K cushion	Payroll, QA, and facility overhead can rise without sales help.
Margin pressure	Contribution margin drops 5 points to about 76.5%.	$1,551K	$3,241K cushion	Scrap, rework, supplier hikes, or overtime hit break-even sooner.
Combined pressure	Revenue falls 20%, fixed costs rise 15%, and margin drops 5 points.	$1,784K	$2,050K cushion	Profit stays positive, but the cushion gets thinner fast.

What should you verify before you commit to the first medical device factory build?

Founder checklist

Test the first-year mix against the rough $145.5K monthly break-even run rate before you sign a lease or buy equipment. If the mix, staffing, and supplier flow do not cover that load, wait.

1Launch Mix1,320 units

Verify the first-year mix of 1,000 staplers, 100 portable ultrasound units, 50 orthopedic implants, 150 patient monitors, and 20 endoscope cameras, because that demand proof has to exist before any buildout.

2Break-Even$145.5K/mo

Check that the mix can clear about $145.5K in monthly revenue, because that is the rough run rate needed to cover the Year 1 fixed load.

3Unit Margin81.5% CM

Check contribution margin (CM) after direct materials, assembly, sales commission, shipping, and product-level QA costs, because the Year 1 mix lands near 81.5% and small slippage hurts payback.

4Fixed Load$118.6K/mo

Map the $43.8K of monthly nonpayroll overhead and the $74.8K of Year 1 payroll, and keep staffing at 7.5 FTE until orders are repeatable, because this is the burn you must carry from day one.

5Buildout$1.115M

Compare outsourcing with the $350K CNC center, $200K cleanroom setup, and $180K diagnostic lab equipment, and test supplier qualification lead times first, because a full in-house build can tie up cash before demand is proven.

6Cash Cushion$1.097M

Keep at least the model's minimum cash on hand in the opening month, because launch spend, tooling, and slow collections can hit before revenue catches up.