Window Decal Break-Even Analysis: About $52K/Month

Fixed costs $31.1K/mo Monthly cost base

Contribution margin 54% Left after variable

Break-even revenue $58.0K/mo Monthly target

Break-even timing Month 14 Model break-even point

Break-even calculator

Use this calculator to test monthly revenue, variable expenses, and fixed costs against break-even for a window decal shop.

Lean Base Full

Monthly revenue Revenue is the cash coming in each month before costs. $ Low sales High sales Variable expenses These direct costs move with each order and job. $ Light costs Heavy costs

Money available to cover fixed costs $33,000 $60,000 revenue - $27,000 variable expenses

Margin ratio

55%

Covers fixed costs

Yes

Fixed monthly costs This is the monthly overhead your margin has to cover. $ Low overhead High overhead

Break-even chart Revenue Total costs

Which window decal expenses are fixed, and which move with sales?

Cost classification

Break-even gets sharper when rent, staff, materials, and fees sit in the right buckets. Misclassify order-driven spend as overhead, or payroll steps as fully variable, and Month 14 break-even can look safer than it is.

Expense	Cost	Break-Even Treatment	Common Mistake
Workshop Rent	Fixed	Include $4,500 per month in fixed overhead from Month 1 through Month 60.	Spreading rent across units and hiding the true monthly sales hurdle.
Online Design Tool License	Fixed	Include $800 per month as recurring overhead before calculating break-even volume.	Treating the license like a per-order design charge.
Equipment Lease Payments	Fixed	Include $1,500 per month in the base overhead load for operating break-even.	Leaving leases out because equipment also appears in capital spending.
Vinyl, Ink, Transfer Tape, and Packaging	Variable	Apply per-job material and packaging amounts to each decal order sold.	Using average revenue percentages instead of the actual unit inputs by product.
Digital Marketing Ads	Variable	Model as revenue-linked selling spend, starting at 8.5% of revenue in the first year.	Locking ads as a flat monthly budget while sales scale.
E-commerce Platform Fees	Variable	Deduct platform fees from each sale, starting at 2.9% of revenue in the first year.	Forgetting fees when calculating contribution margin.
Utilities and Facility Power Usage	Semi-variable	Keep the $650 monthly utility base, then let production power rise with order volume.	Calling all utilities fixed even when printers and lighting run longer.
Graphic Designers, Production Technicians, and Customer Support	Semi-fixed	Add payroll in hiring steps as headcount rises with volume and service load.	Modeling every wage dollar as variable per order instead of capacity added in blocks.

How does break-even shift across lean, base, and full scenarios for a window decal business?

Scenario table

Break-even moves down as the mix shifts from lean to full because revenue rises faster than the fixed-cost load. The lean case stays tight, the base case sits near the model's Month 14 break-even, and the full case builds real cushion.

Scenario figures are planning assumptions, not guarantees.

Scenario	Monthly Revenue	Variable Costs	Fixed Costs	CM Ratio	Operating Profit	Break-Even Signal
Lean Year 1 mix	$55.0k	$22.1k	$31.1k	59.9%	-$1.6k	Still tight; fixed costs nearly absorb the margin.
Base Year 2 mix	$86.3k	$33.5k	$41.1k	61.2%	$5.7k	This is the model's near-break-even case.
Full Year 5 mix	$225.2k	$78.8k	$65.1k	65.0%	$64.6k	Wide cushion; growth can absorb more overhead.

What breaks first if decal demand softens or costs creep up?

Stress test

At about $550k average monthly Year 1 revenue and a 59.9% contribution margin, the plan has only a modest cushion. A 10% sales dip, a 10% fixed-cost bump, or 5 points more variable cost can push it back into loss.

Stress Case	Changed Assumption	Break-Even Revenue	Revenue Gap	Risk Signal
Current plan	No change from the base case.	$519k	$31k cushion	Small cushion, so watch early demand.
Revenue shortfall	Revenue falls 10% to about $495k a month.	$519k	$24k gap	A modest sales dip turns the month red.
Fixed-cost pressure	Fixed costs rise 10% from about $311k to $342k.	$571k	$21k gap	Overhead creep raises the break-even bar fast.
Margin pressure	Variable expenses rise 5 points, cutting margin to 54.9%.	$567k	$17k gap	Waste, reprints, and rush freight squeeze the cushion.
Combined pressure	Revenue falls 10%, fixed costs rise 10%, and variable expenses rise 5 points.	$623k	$128k gap	This mix creates about a $70k monthly loss.

What should you verify before you lock in the workshop, equipment, and hiring plan?

Founder checklist

Don’t sign the lease or buy the machines until the order pipeline, margin, and cash plan all hold together. For Year 1, that means about 465 mixed orders a month, roughly $111.86 average order value, and enough cash to survive the Month 25 trough after the Month 14 break-even point.

1Order Pipeline465/mo

Confirm monthly leads and quotes can reach about 465 mixed orders before you lock in fixed costs, or the Year 1 revenue plan will not hold.

2Fixed Load$31.1K/mo

Keep workshop rent, tools, software, insurance, marketing, equipment lease, and payroll near the modeled $31.1K a month so break-even does not drift out.

3Price Mix$111.86 AOV

Check that the product mix still lands near $111.86 average order value in Year 1, because a cheaper mix pushes the revenue target higher.

4Contribution62% CM

Verify each order still leaves about 62% contribution after materials, labor, ads, platform fees, and freight, or margin will not cover fixed costs fast enough.

5Machine Capacity5,900 units

Test the printer, plotter, laminator, and design stations against the 5,900-unit Year 1 plan before you add staff, so the buildout matches demand.

6Cash Cushion$1.09M

Hold cash for the $109.5K launch capex and the Month 25 trough, because minimum cash need reaches about $1.09M before payback.