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Revenue & Profitability · General financial planning

How do paid laundry cycles and utility bills shape a laundromat contribution margin?

Calculate a self-service wash-cycle contribution using explicit illustrative inputs, then distinguish utility cost, fixed charges and owner profit.

Short answer

Calculate self-service laundry contribution from paid cycles and their variable costs, including water, sewer, energy, hot-water provision and payment charges where applicable. Match consumption to the machine and programmed cycle rather than using one building-wide percentage. Contribution covers fixed operating commitments; it is not the owner’s income or the return on the installed equipment.

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AI-assisted planning guide

What is the sale unit?

For this article, one paid self-service wash cycle is one unit. Dryer use is a separate purchased service with its own runtime and energy assumptions. Wash-and-fold adds handling labor and an order or weight-based sale unit, so its economics should not be silently inserted into a self-service cycle calculation.

The Dexter T-400 technical library provides model-specific installation and programming documents. Its X-Series guide supports changing cycle duration, temperature and pricing. Those documents support configuration review; they do not establish your cycle’s measured consumption or a local utility tariff.

A customer loads a front-opening washer while an operator with a notebook observes the self-service laundry; dryers are visible in a separate background row.
Loading a washer and using a dryer are distinct service actions. This conceptual laundromat scene does not establish paid cycles, utility consumption, prices, margins or a measured installation plan.

How can a transparent contribution example work?

Assume a hypothetical $4.50 wash price, 15 gallons billed at $0.03 per gallon for combined water/sewer, 0.20 kWh at $0.20 per kWh, $0.25 hot-water provision and $0.15 payment cost. These are teaching inputs in USD, not Dexter specifications, measured consumption or an actual utility tariff. The hot-water allowance is separate from the stated washer electricity.

Variable cost is 15 × $0.03 + 0.20 × $0.20 + $0.25 + $0.15 = $0.89 per paid cycle. Contribution is $4.50 − $0.89 = $3.61, or approximately 80.2% of price. This excludes rent, standing utility charges, paid staffing, repair allowances, depreciation, financing, tax and any other unmodeled costs.

Why does that percentage not show owner profit?

A high cycle contribution can coexist with low utilization and unpaid fixed bills. For illustration, $3,200 monthly fixed operating commitments divided by $3.61 require at least 887 paid wash cycles to cover those commitments under this simplified constant-price, constant-cost case. That is not a financing or after-tax break-even calculation.

Test whether the funded machines and customer demand can supply those cycles within available hours. Paid-cycle counts should exclude free tests and refunded sales; utility consumption can still include cleaning, leaks, standby and unsuccessful cycles. Reconcile the meter bill to billed customer activity before interpreting the difference as equipment efficiency.

Which evidence replaces the teaching inputs?

Use the exact installed model, programmed baths and temperatures, measured cycles and current tariff. Separate volumetric charges from standing, demand or connection charges. Avoid assuming that motor power multiplied by the entire cycle time measures total washer energy or that hot-water energy is already included in that number.

Compare laundry operating formats and obtain site-specific connection and equipment quotations. No verified laundry workbook or typical profitability is asserted here. A useful forecast keeps cycles, physical capacity, utility consumption and paid operating commitments traceable before it calculates cash recovery.