OZ Window Films business tool

Window Film Shop Cost Calculator

Start with Basic for a short guided calculation, or choose Deep Dive for every cost in detail. Both show break-even pricing and estimated profit after the entered expenses.

YOUR INPUTS

Enter the essentials

Saved privately on this deviceYour figures stay in this browser. OZ Window Films cannot see or access them. On a shared computer, delete them when you finish.

Basic 1Workload and owner incomeEnter a normal workload, the owner's wage target and the business profit target.

Working days each monthCars completed each working dayUse the normal completed average—not the best day

Enter owner target as

Desired owner wage before personal taxThe calculator treats this as a business cost—not profitBusiness profit target after paying the owner15% is the example; change it if needed

Basic 2Employees and contractorsMonthly employee costs and any install-only work assigned to contractors.

Monthly employee wages and on-costsEnter the business's total monthly employment cost—not weekly pay or employee take-home pay. Leave at $0 for an owner-only shop.

Automotive contractor

Install-only contractor pay per completed carFilm is supplied by the shopCars completed by the contractor each weekOnly count cars the contractor actually completes and is paid for

Contractor invoices are not the same as owner wages.Contractor pay is counted as a shop expense. The owner's wage and business profit remain separate.

Basic 3Monthly business expensesThree guided totals cover every detailed overhead used by the calculator.

Premises, utilities and insuranceRent, outgoings, electricity, water and business insurancePhone, marketing, vehicle and travelEquipment, accounting and other overheads

Total grouped monthly overheads$6,700

Basic 4Film, customer price and job costsChoose the work being priced, then enter its film and direct job costs.

Automotive

Film level used in the result

Premium film cost per 60-inch rollAverage cars completed from each rollCustomer price per carOther direct costs per carConsumables, merchant fees and a realistic rework allowance

MONTHLY SHOP RESULT66.0 cars/month

OWNER INCOME WORKBACK$1,846 per week

Owner wage before personal tax · $96,000 per year

Automotive at $699 per car

Cars/week to fund wage + all costs: 6.2
Cars/week with 15% business profit: 7.5
Entered shop capacity: 15.3 cars/week
Price needed at entered capacity: $396/car

SUSTAINABLE

Sustainable at the entered workload and prices: the owner wage and business profit target are both funded.

Required workload is rounded up to the nearest 0.1 and includes the desired owner wage, entered shop expenses, job costs, employee costs and subcontractor pay. Business profit remains separate.

ESTIMATED PROFIT AFTER ENTERED EXPENSES

$21,740per month, excluding GSTAfter film, waste, job costs, subcontractor pay, rent, overheads, employee costs and your $8,000 owner wage.

Sales ex GST$41,940

All expenses$20,200

Equals profit$21,740

Your current pricing supports the selected profit target.

Estimated business profit margin: 51.8%.

MONTHLY FILM REQUIREMENT5 whole 60-inch rolls

Based on premium film for all entered automotive work.

Entered workload: 66.0 cars/month
Average yield: 15 cars/roll
Exact film consumed: 4.40 rolls/month
Cost of film consumed: $3,520/month
Whole-roll purchase allowance: $4,000/month

Profit uses the exact film consumed. The whole-roll allowance shows the cash needed to have enough complete rolls available; unused film carries forward.

Automotive cost per car

Selected film level: Premium
Cost per 60-inch roll: $800.00
Average cars per roll: 15
Film cost per car: $53.33
Contractor rate per completed car: $0.00
Completed contractor cars per month: 0.0
Total contractor pay per month: $0.00
Average contractor cost across all shop cars Shop costing only—not the contractor's pay rate: $0.00
All job costs per car: $83.33
Allocated shop costs per car: $222.73
Total cost per car excluding GST: $306.06
Break-even retail price: $337
Retail price for 15% profit: $396
Profit/loss at current price per car: $329.39

What this result means

The profit above is what remains after the business pays for the film, waste, work, owner and every entered expense. In Both mode, shared monthly costs are counted once and allocated between the two services.

Formula: combined sales excluding GST − owner wage − employee costs − subcontractor pay − monthly overheads − film, waste and job costs.

Educational planning tool only—not accounting or tax advice. Costs are entered excluding GST; retail prices include GST.